Dr. Joseph S. Adams Profile

Dr. Joseph S. Adams

at NASA Goddard Space Flight Ctr

SPIE Involvement:

Author

Publications (40)

SPIE Journal Paper | 10 December 2024

System performance of a cryogenic test-bed for the time-division multiplexing readout for the NewAthena X-ray Integral Field Unit

Davide Vaccaro, Jan van der Kuur, Paul van der Hulst, Tobias Vos, Martin de Wit, Luciano Gottardi, Kevin Ravensberg, Emanuele Taralli, Joseph Adams, Simon Bandler, Douglas Bennett, James Chervenak, William Doriese, Malcolm Durkin, Jonathon Gard, Carl Reintsema, Kazuhiro Sakai, Stephen Smith, Joel Ullom, Nicholas Wakeham, Jan-Willem den Herder, Brian Jackson, Pourya Khosropanah, Jian-Rong Gao, Peter Roelfsema, Aurora Simionescu

JATIS, Vol. 10, Issue 04, 046002, (December 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.4.046002

KEYWORDS: Time division multiplexing, Cryogenics, Quantum reading, X-rays, Magnetism, Design, Analog electronics, Multiplexers, Crosstalk, Control software

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Proceedings Article | 22 August 2024 Poster

Poster

Transition-edge sensor time-division multiplexing (TDM) digital readout electronics for the Line Emission Mapper (LEM)

Kazuhiro Sakai, Joseph Adams, Simon Bandler, James Chervenak, Fred Finkbeiner, Joshua Fuhrman, Samuel Hull, Richard Kelley, Caroline Kilbourne, Haruka Muramatsu, Frederick Porter, Stephen Smith, Nicholas Wakeham, Edward Wassell

Proceedings Volume 13093, 130937J (2024) https://doi.org/10.1117/12.3020362

Proceedings Article | 22 August 2024 Poster

Poster

Development of the microcalorimeter array for the Line Emission Mapper (LEM) x-ray probe

Stephen Smith, Joseph Adams, Simon Bandler, James Chervenak, Renata Cumbee, Fred Finkbeiner, Joshua Fuhrman, Samuel Hull, Richard Kelley, Caroline Kilbourne, Frederick Porter, Kazuhiro Sakai, Nicholas Wakeham, Edward Wassell, Sang Yoon

Proceedings Volume 13093, 130937I (2024) https://doi.org/10.1117/12.3019225

Proceedings Article | 21 August 2024 Presentation + Paper

Presentation + Paper

Development of the microcalorimeter detector for the Athena/X-ray Integral Field Unit

Stephen Smith, Joseph Adams, Simon Bandler, Rachel Borrelli, James Chervenak, Felipe Colazo-Petit, Renata Cumbee, Fred Finkbeiner, Joshua Fuhrman, Samuel Hull, Richard Kelley, Caroline Kilbourne, F. Scott Porter, Asha Rani, Kazuhiro Sakai, Nicholas Wakeham, Edward Wassell, Michael Witthoeft, Sang Yoon

Proceedings Volume 13093, 130930V (2024) https://doi.org/10.1117/12.3019198

KEYWORDS: Sensors, Design, Time division multiplexing, Detector arrays, Resistance, Superconducting detectors, Astronomical detectors, Quantum sensors, Calorimetry, X-ray astronomy

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Proceedings Article | 21 August 2024 Presentation + Paper

Presentation + Paper

The detection chain for Athena X-IFU: a status on the design and demonstrations

H. Geoffray, B. Jackson, S. Bandler, S. Smith, W. Doriese, M. Durkin, J. van der Kuur, P. van der Hulst, M. Kiviranta, D. Prêle, M. Gonzalez, L. Ravera, Yann Parot, R. Den Hartog, E. Taralli, D. Vaccaro, H. van Weers, J. Adams, J. Chervenak, S. Hull, K. Sakai, N. Wakeham, C. Reintsema, J. Ullom, S. Beaumont, F. Brachet, C. Cenac-Morthe, E. Cucchetti, C. Daniel, P. Peille, J. Soucek, A. Argan, C. Macculi

Proceedings Volume 13093, 130930W (2024) https://doi.org/10.1117/12.3020011

KEYWORDS: Design, Multiplexers, Time division multiplexing, Crosstalk, X-rays

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Proceedings Article | 21 August 2024 Presentation + Paper

Presentation + Paper

The Line Emission Mapper (LEM) probe mission concept

R. Kraft, Á. Bogdán, J. ZuHone, J. Adams, J. Alvarado-Gómez, C. Argiroffi, M. Ayromlou, M. Azadi, S. Bandler, M. Barbera, A. Bhardwaj, V. Biffi, D. Bodewits, E. Boettcher, B. Branham, J. Burchett, D. Burke, J. Cann, J. Carter, D. Castro, P. Chakraborty, K. Chan, S. Chen, E. Churazov, K. Coderre, M. Corcoran, R. Cumbee, S. DePalo, K. Dolag, M. Donahue, W. Doriese, J. Drake, W. Dunn, M. Eckart, D. Eckert, S. Ettori, Y. Ezoe, C. Feldman, E. Flaccomio, W. Forman, M. Galeazzi, A. Gall, C. Garraffo, M. Gonzalez, N. Grosso, J. Hartley, N. Hell, L. Hernquist, E. Hodges-Kluck, J. Houston, S. Hull, N. Islam, P. Janas, F. Jennings, C. Jones, P. Kaaret, H. Kanner, M. Karovska, V. Kashyap, P. Kavanagh, R. Kelley, I. Khabibullin, C. Kilbourne, C.-G. Kim, D. Koutroumpa, O. Kovács, K. Kuntz, S.-H. Lee, M. Leutenegger, T. Linn, S. Lotti, M. Markevitch, K. Martin, L. May, D. McCammon, S. McEntee, S. Mei, F. Mernier, M. Miceli, J. Miller, M. Mirakhor, K. Monsch, Y. Nazé, D. Nelson, A. Nordt, A. Ogorzalek, J. Olson, S. Orlando, E. Osborne, L. Oskinova, D. Patnaude, R. Pfeifle, C. Pinto, P. Plucinsky, G. Ponti, D. Porquet, F. Porter, D. Préle, S. Ramm, S. Randall, E. Rasia, M. Rau, S. Richardson, K. Sakai, A. Sarkar, G. Schellenberger, S. Sciortino, J. Schaye, A. Simionescu, S. Smith, M. Sobolewska, J. Steiner, J. Stern, Y. Su, M. Sun, N. Truong, E. Ursino, M. Valentini, S. Veilleux, S. Vladutescu-Zopp, M. Vogelsberger, N. Wakeham, S. Walker, Q. Wang, B. Wargelin, K. Weaver, J. Werk, N. Werner, S. Wolk, C. Zhang, W. Zhang, I. Zhuravleva

Proceedings Volume 13093, 1309327 (2024) https://doi.org/10.1117/12.3019969

KEYWORDS: X-rays, Galactic astronomy, Stars, Bubbles, Spectral resolution, Iron, Physics, Spectroscopy, Metals, Plasma

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The Line Emission Mapper (LEM) is a Probe mission concept developed in response to NASA’s Astrophysics Probe Explorer (APEX) Announcement of Opportunity. LEM has a single science instrument composed of a large-area, wide-field X-ray optic and a microcalorimeter X-ray imaging spectrometer in the focal plane. LEM is optimized to observe low-surface-brightness diffuse X-ray emission over a 30′ equivalent diameter field of view with 1.3 and 2.5 eV spectral resolution in the 0.2−2.0 keV band. Our primary scientific objective is to map the thermal, kinetic, and elemental properties of the diffuse gas in the extended X-ray halos of galaxies, the outskirts of galaxy clusters, the filamentary structures between these clusters, the Milky Way star-formation regions, the Galactic halo, and supernova remnants in the Milky Way and Local Group. The combination of a wide-field optic with 18′′ angular resolution end-to-end and a microcalorimeter array with 1.3 eV spectral resolution in a 5′ × 5′ inner array (2.5 eV outside of that) offers unprecedented sensitivity to extended low-surface-brightness X-ray emission. This allows us to study feedback processes, gas dynamics, and metal enrichment over seven orders of magnitude in spatial scales, from parsecs to tens of megaparsecs. LEM will spend approximately 11% of its five-year prime science mission performing an All-Sky Survey, the first all-sky X-ray survey at high spectral resolution. The remainder of the five-year science mission will be divided between directed science (30%) and competed General Observer science (70%). LEM and the NewAthena/XIFU are highly complementary, with LEM’s optimization for soft X-rays, large FOV, 1.3 eV spectral resolution, and large grasp balancing the NewAthena/X-IFU’s broadband sensitivity, large effective area, and unprecedented spectral resolving power at 6 keV. In this presentation, we will provide an overview of the mission architecture, the directed science driving the mission design, and the broad scope these capabilities offer to the entire astrophysics community.

SPIE Journal Paper | 26 October 2023

Line emission mapper cryogenic system design

Elizabeth Osborne, Jeffrey Olson, Michael Jacoby, Isaac Hayden, Caroline Kilbourne, Simon Bandler, Xiaoyi Li, Edgar Canavan, Joseph Adams

JATIS, Vol. 9, Issue 04, 041007, (October 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.4.041007

KEYWORDS: Cryocoolers, Design, Cryogenics, Tunable filters, Sensors, Interfaces, Staring arrays, X-rays, Head, Equipment

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SPIE Journal Paper | 20 October 2023 Open Access

Open Access

Characterization of a hybrid array of single and multi-absorber transition-edge sensor microcalorimeters for the Line Emission Mapper

Nicholas Wakeham, Joseph Adams, Simon Bandler, James Chervenak, Renata Cumbee, Fred Finkbeiner, Joshua Fuhrman, Samuel Hull, Richard Kelley, Caroline Kilbourne, Kazuhiro Sakai, Stephen Smith, Edward Wassell, Sang Yoon

JATIS, Vol. 9, Issue 04, 041006, (October 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.4.041006

KEYWORDS: Design, X-rays, Time division multiplexing, Resistance, Equipment, Sensors, Detector arrays, Gold, Aluminum, Multiplexing

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SPIE Journal Paper | 19 October 2023 Open Access

Open Access

Line emission mapper microcalorimeter spectrometer

Simon Bandler, Joseph Adams, Edward Amatucci, Edgar Canavan, James Chervenak, Renata Cumbee, Johannes P. Dercksen, Michael DiPirro, William Doriese, Megan Eckart, Manuel Gonzalez, Janice Houston, Brian Jackson, Amir Jahromi, Steven Kenyon, Caroline Kilbourne, Edmund Hodges-Kluck, Ralph Kraft, Xiaoyi Li, Maxim Markevitch, Dan McCammon, Jeffrey Olson, Elizabeth Osborne, Kazuhiro Sakai, Daniel Patnaude, Frederick Porter, Damien Prêle, Peter Shirron, Stephen Smith, Terrence Smith, Nicholas Wakeham, Henk van Weers

JATIS, Vol. 9, Issue 04, 041002, (October 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.4.041002

KEYWORDS: Tunable filters, Design, Sensors, Time division multiplexing, X-rays, Staring arrays, Cryocoolers, Spectroscopy, Equipment, Detector arrays

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SPIE Journal Paper | 18 October 2023 Open Access

Open Access

Development of space-flight room-temperature electronics for the Line Emission Mapper Microcalorimeter Spectrometer

Kazuhiro Sakai, Joseph Adams, Simon Bandler, Si Chen, Manuel Gonzalez, Damien Prêle, Carl Reintsema, Adam Schoenwald, Stephen Smith, Terrence Smith, Nicholas Wakeham

JATIS, Vol. 9, Issue 04, 041004, (October 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.4.041004

KEYWORDS: Field programmable gate arrays, Time division multiplexing, Sensors, Analog to digital converters, Clocks, Optimal filtering, Multiplexers, Detector arrays, X-rays, Signal processing

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SPIE Journal Paper | 18 October 2023 Open Access

Open Access

Development of the microcalorimeter and anticoincidence detector for the Line Emission Mapper x-ray probe

Stephen Smith, Joseph Adams, Simon Bandler, Rachel Borrelli, James Chervenak, Renata Cumbee, Enectali Figueroa-Feliciano, Fred Finkbeiner, Joshua Furhman, Samuel Hull, Richard L. Kelley, Caroline Kilbourne, Noah Kurinsky, Jennette Mateo, Asha Rani, Kazuhiro Sakai, Nicholas Wakeham, Edward Wassell, Sang Yoon

JATIS, Vol. 9, Issue 04, 041005, (October 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.4.041005

KEYWORDS: Sensors, Design, Detector arrays, X-rays, Detector development, Time division multiplexing, Image resolution, Crosstalk, Calibration, Staring arrays

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SPIE Journal Paper | 20 July 2023

First flight performance of the Micro-X microcalorimeter X-ray sounding rocket

The Micro-X Collaboration, Joseph S. Adams, Robert Baker, Simon R. Bandler, Noëmie Bastidon, Daniel Castro, Meredith E. Danowksi, William B. Doriese, Megan E. Eckart, Enectalí Figueroa-Feliciano, Joshua Fuhrman, David C. Goldfinger, Sarah N. T. Heine, Gene Hilton, Antonia J. F. Hubbard, Daniel Jardin, Richard L. Kelley, Caroline A. Kilbourne, Steven W. Leman, Renée E. Manzagol-Harwood, Dan McCammon, Philip H. H. Oakley, Takashi Okajima, Frederick Scott Porter, Carl D. Reintsema, John Rutherford, Tarek Saab, Kosuke Sato, Peter Serlemitsos, Stephen J. Smith, Yang Soong, Patrick Wikus

JATIS, Vol. 9, Issue 03, 034001, (July 2023) https://doi.org/10.1117/12.10.1117/1.JATIS.9.3.034001

KEYWORDS: X-rays, Magnetism, Equipment, Rockets, Finite element methods, Niobium, Superconductors, Tunable filters, Cryostats, Calibration

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Proceedings Article | 31 August 2022 Presentation + Paper

Presentation + Paper

Design of the detection chain for Athena X-IFU

H. Geoffray, B. Jackson, S. Bandler, S. Smith, W. Doriese, M. Durkin, J. van der Kuur, B.-J. van Leeuwen, M. Kiviranta, D. Prêle, L. Ravera, Y. Parot, H. van Weers, J. W. den Herder, J. Adams, J. Chervenak, C. Reintsema, J. Ullom, F. Brachet, A. Ledot, P. Peille, D. Barret

Proceedings Volume 12181, 121810M (2022) https://doi.org/10.1117/12.2629960

KEYWORDS: Amplifiers, Electronics, Multiplexers, Staring arrays, Time division multiplexing, Sensors, X-rays, Multiplexing, Connectors, Switching

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Proceedings Article | 31 August 2022 Poster + Paper

Poster + Paper

A 50 mK test bench for demonstration of the readout chain of Athena/X-IFU

Florent Castellani, Sophie Beaumont, François Pajot, Gilles Roudil, Joseph Adams, Simon Bandler, James Chervenak, Christophe Daniel, Edward Denison, W. Bertrand Doriese, Michel Dupieux, Malcolm Durkin, Hervé Geoffray, Gene Hilton, David Murat, Yann Parot, Philippe Peille, Damien Prêle, Laurent Ravera, Carl Reintsema, Kazuhiro Sakai, Robert Stevens, Joel Ullom, Leila Vale, Nicholas Wakeham

Proceedings Volume 12181, 1218144 (2022) https://doi.org/10.1117/12.2630323

KEYWORDS: Electronics, Time division multiplexing, X-rays, Prototyping, Photons, Multiplexing, Linear filtering

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Proceedings Article | 24 June 2021 Poster + Paper

Poster + Paper

A test platform for the detection and readout chain for the Athena X-IFU

Gabriele Betancourt-Martinez, François Pajot, Gilles Roudil, Joseph Adams, Simon Bandler, Sophie Beaumont, Bernard Bertrand, Florent Castellani, Edoardo Cucchetti, Michel Dupieux, Hervé Geoffray, Philippe Peille, Laurent Ravera, Doreen Wernicke, Aurélien Ledot

Proceedings Volume 11444, 1144444 (2021) https://doi.org/10.1117/12.2561281

KEYWORDS: Staring arrays, Sensors, Magnetism, Fused deposition modeling, Electronics, Magnetic sensors, X-rays, Time division multiplexing, Superconductors, Temperature metrology

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Proceedings Article | 4 January 2021 Presentation + Paper

Presentation + Paper

First operation of transition-edge sensors in space with the Micro-X sounding rocket

Joseph Adams, Robert Baker, Simon Bandler, Noëmie Bastidon, Meredith Danowski, William Doriese, Megan Eckart, Enectalí Figueroa-Feliciano, Joshua Fuhrman, David Goldfinger, Sarah N. Heine, Gene Hilton, Antonia J. Hubbard, Daniel Jardin, Richard Kelley, Caroline Kilbourne, Renée Manzagol-Harwood, Dan McCammon, Takashi Okajima, Frederick Porter, Carl Reintsema, Peter Serlemitsos, Stephen Smith, Patrick Wikus

Proceedings Volume 11454, 1145414 (2021) https://doi.org/10.1117/12.2562645

KEYWORDS: Sensors, Rockets, Space sensors, Space operations, Signal to noise ratio, X-rays, Physics, Calibration, Calcium, Aerospace engineering

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Proceedings Article | 13 December 2020 Presentation

Presentation

Conceptual design of the detection chain for the X-IFU on Athena

Hervé Geoffray, Brian Jackson, Simon Bandler, W. Bertrand Doriese, Mikko Kirivanta, Damien Prêle, Laurent Ravera, Andrea Argan, Marco Barbera, Jan van der Kuur, Bert Joost van Leeuwen, Henk van Weers, Ruud Hoogeveen, Jan-Willem den herder, Stephen Smith, Joe Adams, James Chervenak, Malcom Durkin, Carl Reintsema, Joel Ullom, Yann Parot, Didier Barret, Claudio Macculi, Luigi Piro, Frank Brachet, Aurélien Ledot

Proceedings Volume 11444, 114440X (2020) https://doi.org/10.1117/12.2563628

KEYWORDS: Sensors, Detector arrays, Electronics, Environmental sensing, Aerospace engineering, Multiplexing, Fused deposition modeling

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SPIE Journal Paper | 26 April 2019 Open Access

Open Access

Development of space-flight compatible room-temperature electronics for the Lynx x-ray microcalorimeter

Kazuhiro Sakai, Joseph Adams, Simon Bandler, Douglas Bennett, Kent Irwin, John A. Mates

JATIS, Vol. 5, Issue 02, 021013, (April 2019) https://doi.org/10.1117/12.10.1117/1.JATIS.5.2.021013

KEYWORDS: Field programmable gate arrays, Electronics, Field effect transistors, Digital signal processing, Microwave radiation, Signal processing, Multiplexers, Sensors, X-rays, Multiplexing

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SPIE Journal Paper | 8 April 2019 Open Access

Open Access

Multiabsorber transition-edge sensors for x-ray astronomy

Stephen J. Smith, Joseph Adams, Simon Bandler, James Chervenak, Aaron Datesman, Megan Eckart, Fred Finkbeiner, Ruslan Hummatov, Richard Kelley, Caroline Kilbourne, Antoine Miniussi, Frederick Porter, John Sadleir, Kazuhiro Sakai, Nicholas Wakeham, Edward Wassell

JATIS, Vol. 5, Issue 02, 021008, (April 2019) https://doi.org/10.1117/12.10.1117/1.JATIS.5.2.021008

KEYWORDS: Sensors, X-rays, X-ray astronomy, Image resolution, Gold, Lithium, Phonons, Signal to noise ratio, Digital filtering, Resistance

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Proceedings Article | 10 July 2018 Presentation

Presentation

Time- and code-division SQUID multiplexing options for ATHENA X-IFU (Conference Presentation)

Joel Ullom, J. Adams, B. Alpert, S. Bandler, D. Bennett, S. Chaudhuri, J. Chervenak, E. Denison, C. Dawson, W. Doriese, M. Durkin, J. Fowler, J Gard, G. Hilton, K. Irwin, Y. Joe, C. Kilbourne, J. Mates, K. Morgan, G. O'Neil, C. Reintsema, D. Schmidt, S. Smith, D. Swetz, C. Titus, L. Vale, B. Young

Proceedings Volume 10699, 106991P (2018) https://doi.org/10.1117/12.2314111

KEYWORDS: X-rays, Time division multiplexing, Code division multiplexing, Multiplexing, Sensors, Multiplexers, Gamma radiation, Synchrotrons, Light sources, Spectrometers

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SQUID Time-Division Multiplexing (TDM) is a technique for the readout of arrays of Transition-Edge Sensors (TESs) for x-ray and gamma-ray science. TDM has been deployed in many recent 250-pixel-scale instruments including at synchrotron light sources and particle-accelerator facilities, as well as in table-top experiments. Two TES spectrometers employing TDM readout will soon be deployed to electron-beam ion-trap facilities. TDM is also under development as a back-up readout option for the X-ray Integral Field Unit (X-IFU) of the Athena satellite mission. The 3,840 TES pixels of the X-IFU will enable efficient, high resolution spectroscopy (2.5 eV FWHM at 7 keV) of extended astrophysical sources. Multiplexing factors of 40 or more sensors per readout column are planned for the X-IFU. To advance the maturity of TDM readout for Athena, we are creating a focal-plane assembly for the readout of 960 TES pixels in a 24 column by 40 row configuration. We will describe the design and experimental progress on this technology demonstrator. In a TDM system, each dc-biased TES has its own first-stage SQUID. Rows of these first-stage-SQUIDs are turned on and off sequentially such that the signal from only one TES at a time per readout column is passed to a series-array SQUID, to a room-temperature preamplifier, and to digital-feedback electronics. Recent implementations of TDM have a row period of 160 ns and non-multiplexed amplifier noise of 0.19 micro-Phi_0/sqrt(Hz) referred to the first-stage SQUID. Some benchmark demonstrations of TDM with x-ray TES sensors include achievement of 2.55 eV FWHM energy resolution at 5.9 keV in a 32-row, 1-column configuration. Here, the fastest slew rates in the TES currents were similar to those of the X-IFU “LPA2” detector model. We have also achieved 2.72 eV FWHM resolution in a 32-row, 6-column configuration that contained 144 high-quality TESs that were similar to the much faster X-IFU “LPA1” pixels. We will describe on-going efforts to read out TDM arrays at the 6x32 scale and larger, as well as efforts to improve the performance of TDM system subcomponents. We will also describe system-level performance metrics such as cross-talk. SQUID Code-Division Multiplexing (CDM) is closely related to TDM but has important performance advantages. CDM and TDM operation are similar with the main difference being that in CDM, all TESs are observed by the multiplexer at all times, with the polarity of the TES signals switched between rows. Because all TESs are observed by the multiplexer at all times, the sqrt(N_rows) noise-aliasing degradation inherent to TDM is eliminated. We are developing flux-summing CDM to be drop-in compatible with existing TDM systems. The most recent CDM implementation has a nonmultiplexed noise level of 0.17 micro-Phi_0/sqrt(Hz) referred to the first-stage SQUID and a row period of 160 ns. We have demonstrated 2.77 eV FWM resolution at 5.9 keV in 32-row, 1-column CDM test.

Proceedings Article | 10 July 2018 Presentation

Presentation

Transition-edge sensor array development for the ATHENA x-ray itegral field unit (Conference Presentation)

Stephen Smith, Joesph Adams, Simon Bandler, James Chervenak, Megan Eckart, Fred Finkbeiner, Richard Kelley, Caroline Kilbourne, Antoine Miniussi, F. Scott Porter, John Sadleir, Kazuhiro Sakai, Nicholas Wakeham, Edward Wassell, Wonsik Yoon, Hiroki Akamatsu, Luciano Gottardi, Roland den Hartog, Brian Jackson, Jan van der Kuur

Proceedings Volume 10699, 106991L (2018) https://doi.org/10.1117/12.2313428

KEYWORDS: X-rays, Sensors, Transition metals, Observatories, Spectral resolution, Multiplexing, Fused deposition modeling, Telescopes, Metals

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The X-ray integral field unit (X-IFU) proposed for ESA’s Athena X-ray observatory will consist of 3840 transition edge sensor (TES) microcalorimeters optimized for the energy range of 0.2 to 12 keV. The instrument will provide unprecedented spectral resolution of ~ 2.5 eV at energies of up to 7 keV and will accommodate photon fluxes of 10’s mcrab (1000’s cps). Over the past two years the baseline configuration has evolved from the original proposal. The current baseline consists of a uniform large pixel array (LPA) of 5” pixels, AC-biased within their superconducting-to-normal transition and read out using frequency domain multiplexing (FDM). The baseline pixel design is approximately a factor of two times slower than in the original concept. High count-rate accommodation, needed for bright point source observations, is now achieved by defocusing the telescope optic to spread the photons over a larger number of pixels. In this paper we report on Mo/Au TES designs that are being optimized to meet the baseline pixel parameters and performance goals. This includes detailed studies on the optimization of the thermal heat sink and the impact of different TES geometries (including TES size and normal metal feature geometries) on the DC-biased transition shape. We discuss how these geometric effects ultimately impact important performance metrics such as energy resolution, decay time, slew-rate and array scale uniformity. Our Mo/Au TESs have historically been designed and optimized for DC-biased operation, however, the primary readout technology uses an AC drive to bias the TES. Depending upon the drive frequency, the AC bias affects the TES transition shape in two ways. Firstly, due to losses from the bias current coupling to metallic components in close proximity to the TES and secondly introducing fine structure in the transition due to Josephson effects. We present latest pixel design optimizations targeted at mitigating these frequency dependent effects in order to achieve commensurate performance with that obtained in the DC case.

SPIE Journal Paper | 13 April 2018 Open Access

Open Access

Ground calibration of the Astro-H (Hitomi) soft x-ray spectrometer

Megan Eckart, Joseph Adams, Kevin Boyce, Gregory Brown, Meng Chiao, Ryuichi Fujimoto, Daniel Haas, Jan-Willem den Herder, Akio Hoshino, Yoshitaka Ishisaki, Caroline Kilbourne, Shunji Kitamoto, Maurice Leutenegger, Daniel McCammon, Kazuhisa Mitsuda, F. Scott Porter, Kosuke Sato, Makoto Sawada, Hiromi Seta, Gary Sneiderman, Andrew Szymkowiak, Yoh Takei, Makoto Tashiro, Masahiro Tsujimoto, Cor de Vries, Tomomi Watanabe, Shinya Yamada, Noriko Yamasaki

JATIS, Vol. 4, Issue 02, 021406, (April 2018) https://doi.org/10.1117/12.10.1117/1.JATIS.4.2.021406

KEYWORDS: Calibration, X-rays, Sensors, Beryllium, Optical filters, Spectroscopy, Iron, Epoxies, Photons, Silicon

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SPIE Journal Paper | 19 March 2018 Open Access

Open Access

System design and implementation of the detector assembly of the Astro-H soft x-ray spectrometer

Meng Chiao, Joseph Adams, Phillip Goodwin, Clair Hobson, Caroline Kilbourne, Daniel McCammon, Daniel McGuinness, Samuel Moseley, Frederick Porter, Sandy Shuman, Tomomi Watanabe

JATIS, Vol. 4, Issue 02, 021404, (March 2018) https://doi.org/10.1117/12.10.1117/1.JATIS.4.2.021404

KEYWORDS: Field effect transistors, Sensors, Resistors, X-rays, Calibration, Spectroscopy, X-ray detectors, Lead, Epoxies, Gold

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SPIE Journal Paper | 26 February 2018 Open Access

Open Access

Design, implementation, and performance of the Astro-H soft x-ray spectrometer aperture assembly and blocking filters

Caroline Kilbourne, Joseph Adams, Petar Arsenovic, Travis Ayers, Meng Chiao, Michael DiPirro, Megan Eckart, Ryuichi Fujimoto, John Kazeva, Kari Kripps, Bruce Lairson, Maurice Leutenegger, Heidi Lopez, Daniel McCammon, Daniel McGuinness, Kazuhisa Mitsuda, Samuel Moseley, F. Scott Porter, Andrea Schweiss, Yoh Takei, Rosemary Thorpe, Tomomi Watanabe, Noriko Yamasaki, Seiji Yoshida

JATIS, Vol. 4, Issue 01, 011215, (February 2018) https://doi.org/10.1117/12.10.1117/1.JATIS.4.1.011215

KEYWORDS: Optical filters, X-rays, Spectroscopy, Silicon, Thin films, Sensors, Interfaces, Contamination, Fermium, Frequency modulation

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SPIE Journal Paper | 23 February 2018 Open Access

Open Access

Design, implementation, and performance of the Astro-H SXS calorimeter array and anticoincidence detector

Caroline Kilbourne, Joseph Adams, Regis Brekosky, James Chervenak, Meng Chiao, Megan Eckart, Enectali Figueroa-Feliciano, Massimiliano Galeazzi, Christoph Grein, Christine Jhabvala, Daniel Kelly, Maurice Leutenegger, Daniel McCammon, F. Scott Porter, Andrew Szymkowiak, Tomomi Watanabe, Jun Zhao

JATIS, Vol. 4, Issue 01, 011214, (February 2018) https://doi.org/10.1117/12.10.1117/1.JATIS.4.1.011214

KEYWORDS: Sensors, Gold, X-rays, Silicon, Resistance, Resistors, Mercury, Detector arrays, Spectral resolution, Particles

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Proceedings Article | 26 August 2016 Paper

Paper

Status of the micro-X sounding rocket x-ray spectrometer

D. Goldfinger, J. Adams, R. Baker, S. Bandler, M. Danowski, W. Doriese, M. Eckart, E. Figueroa-Feliciano, G. Hilton, A. J. Hubbard, R. Kelley, C. Kilbourne, D. McCammon, T. Okajima, F. Porter, C. Reintsema, P. Serlemitsos, S. Smith, S. N. T. Heine, P. Wikus

Proceedings Volume 9905, 99054S (2016) https://doi.org/10.1117/12.2233299

KEYWORDS: Rockets, X-ray telescopes, Sensors, X-rays, Image resolution, Electronics, Multiplexers, Multiplexing, Spectroscopy, X-ray astronomy

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Proceedings Article | 26 July 2016 Paper

Paper

Ground calibration of the Astro-H (Hitomi) soft x-ray spectrometer

M. Eckart, J. Adams, K. Boyce, G. Brown, M. Chiao, R. Fujimoto, D. Haas, J. W. den Herder, Y. Ishisaki, R. Kelley, C. Kilbourne, M. Leutenegger, D. McCammon, K. Mitsuda, F. Porter, K. Sato, M. Sawada, H. Seta, G. Sneiderman, A. Szymkowiak, Y. Takei, M. Tashiro, M. Tsujimoto, C. de Vries, T. Watanabe, S. Yamada, N. Yamasaki

Proceedings Volume 9905, 99053W (2016) https://doi.org/10.1117/12.2233053

KEYWORDS: X-rays, Optical filters, Sensors, Silicon, X-rays, Thin films, Interfaces, Fermium, Frequency modulation, Temperature metrology, Contamination

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Proceedings Article | 20 July 2016 Paper

Paper

Transition-edge sensor pixel parameter design of the microcalorimeter array for the x-ray integral field unit on Athena

S. Smith, J. Adams, S. Bandler, G. Betancourt-Martinez, J. Chervenak, M. Chiao, M. Eckart, F. Finkbeiner, R. Kelley, C. Kilbourne, A. Miniussi, F. Porter, J. Sadleir, K. Sakai, N. Wakeham, E. Wassell, W. Yoon, D. Bennett, W. Doriese, J. Fowler, G. Hilton, K. Morgan, C. Pappas, C. Reintsema, D. Swetz, J. Ullom, K. Irwin, H. Akamatsu, L. Gottardi, R. den Hartog, B. Jackson, J. van der Kuur, D. Barret, P. Peille

Proceedings Volume 9905, 99052H (2016) https://doi.org/10.1117/12.2231749

KEYWORDS: X-rays, Sensors, Multiplexing, Sensors, Staring arrays, Cryogenics, Helium, Magnetism, Photons, Temperature metrology, Resistance

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Proceedings Article | 19 July 2016 Paper

Paper

Development of frequency domain multiplexing for the X-ray Integral Field unit (X-IFU) on the Athena

Hiroki Akamatsu, Luciano Gottardi, Jan van der Kuur, Cor de Vries, Kevin Ravensberg, Joseph Adams, Simon Bandler, Marcel Bruijn, James Chervenak, Caroline Kilbourne, Mikko Kiviranta, A. J. van der Linden, Brian Jackson, Stephen Smith

Proceedings Volume 9905, 99055S (2016) https://doi.org/10.1117/12.2232805

KEYWORDS: X-rays, Sensors, Particles, Electrons, Photons, Monte Carlo methods, Solar energy, Magnetism, Bismuth, Mirrors

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Proceedings Article | 19 July 2016 Paper

Paper

Development of x-ray microcalorimeter imaging spectrometers for the X-ray Surveyor mission concept

Simon Bandler, Joseph Adams, James Chervenak, Aaron Datesman, Megan Eckart, Fred Finkbeiner, Richard Kelley, Caroline Kilbourne, Gabriele Betancourt-Martinez, Antoine Miniussi, Frederick Porter, John Sadleir, Kazuhiro Sakai, Stephen Smith, Thomas Stevenson, Nicholas Wakeham, Edward Wassell, Wonsik Yoon, Dan Becker, Douglas Bennett, William Doriese, Joseph Fowler, Johnathan Gard, Gene Hilton, Benjamin Mates, Kelsey Morgan, Carl Reintsema, Daniel Swetz, Joel Ullom, Saptarshi Chaudhuri, Kent Irwin, Sang-Jun Lee, Alexey Vikhlinin

Proceedings Volume 9905, 99050Q (2016) https://doi.org/10.1117/12.2232156

KEYWORDS: Sensors, X-rays, Tantalum, Superconductors, Computer aided design, Silver, Matrices, Field effect transistors, Electronics, Spectral resolution

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Proceedings Article | 18 July 2016 Paper

Paper

The design, implementation, and performance of the Atro-H SXS calorimeter array and anti-coincidence detector

Caroline Kilbourne, Joseph Adams, Regis Brekosky, James Chervenak, Meng Chiao, Megan Eckart, Enectali Figueroa-Feliciano, Massimiliano Galeazzi, Christoph Grein, Christine Jhabvala, Richard Kelley, Daniel Kelly, Maurice Leutenegger, Dan McCammon, F. Porter, Andrew Szymkowiak, Tomomi Watanabe, Jun Zhao

Proceedings Volume 9905, 99053L (2016) https://doi.org/10.1117/12.2231415

KEYWORDS: Sensors, X-rays, Detector arrays, X-rays, Detector arrays, Helium, Liquids, Cryocoolers, Switches, Observatories, X-ray telescopes, Cryogenics

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Proceedings Article | 18 July 2016 Paper

Paper

System design and implementation of the detector assembly for the Astro-H soft x-ray spectrometer

M. Chiao, J. Adams, P. Goodwin, C. Hobson, R. Kelley, C. Kilbourne, D. McCammon, D. McGuinness, S. Moseley, F. Porter, S. Shuman, T. Watanabe

Proceedings Volume 9905, 99053M (2016) https://doi.org/10.1117/12.2231897

KEYWORDS: Sensors, X-rays, Spectroscopy, Helium, Liquids, Mathematical modeling, Temperature metrology, Cryocoolers, Cooling systems, Thermal modeling

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Proceedings Article | 11 July 2016 Paper

Paper

The design, implementation, and performance of the Astro-H SXS aperture assembly and blocking filters

Caroline Kilbourne, Joseph Adams, Petar Arsenovic, Travis Ayers, Meng Chiao, Michael Dipirro, Megan Eckart, Ryuichi Fujimoto, John Kazeva, Richard Kelley, Kari Kripps, Bruce Lairson, Maurice Leutenegger, Heidi Lopez, Dan McCammon, Daniel McGuinness, Kazuhisa Mitsuda, Samuel Moseley, F. Porter, Andrea Schweiss, Yoh Takei, Rosemary Thorpe, Tomomi Watanabe, Noriko Yamasaki, Seiji Yoshida

Proceedings Volume 9905, 99053Q (2016) https://doi.org/10.1117/12.2232240

KEYWORDS: X-rays, Field effect transistors, Sensors, Resistors, Calibration, Lead, Gold, Helium, Epoxies, Connectors

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Proceedings Article | 25 September 2014 Paper

Paper

The transition-edge EBIT microcalorimeter spectrometer

Gabriele Betancourt-Martinez, Joseph Adams, Simon Bandler, Peter Beiersdorfer, Gregory Brown, James Chervenak, Randy Doriese, Megan Eckart, Kent Irwin, Richard Kelley, Caroline Kilbourne, Maurice Leutenegger, F. Porter, Carl Reintsema, Stephen Smith, Joel Ullom

Proceedings Volume 9144, 91443U (2014) https://doi.org/10.1117/12.2055568

KEYWORDS: Transmission electron microscopy, Spectroscopy, Ions, Sensors, Electron beams, X-rays, Image resolution, Multiplexing, Time division multiplexing, Superconductors

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Proceedings Article | 17 September 2012 Paper

Paper

Update on the Micro-X Sounding Rocket payload

E. Figueroa-Feliciano, J. Adams, R. Baker, S. Bandler, D. Dewey, W. Doriese, M. Eckart, R. Hamersma, G. Hilton, U. Hwang, K. Irwin, R. Kelley, C. Kilbourne, S. Kissel, S. Leman, D. McCammon, P. H. Oakley, T. Okajima, R. O'Neal, R. Petre, F. Porter, C. Reintsema, J. Rutherford, T. Saab, P. Serlemitsos, Y. Soong, S. Trowbridge, P. Wikus

Proceedings Volume 8443, 84431B (2012) https://doi.org/10.1117/12.927167

KEYWORDS: Sensors, X-rays, Rockets, Mirrors, Silicon, Signal to noise ratio, Data modeling, Electronics, Plasma, Detector arrays

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Proceedings Article | 9 August 2010 Paper

Paper

The detector subsystem for the SXS instrument on the ASTRO-H Observatory

F. Porter, J. Adams, G. Brown, J. Chervenak, M. Chiao, R. Fujimoto, Y. Ishisaki, R. Kelley, C. Kilbourne, D. McCammon, K. Mitsuda, T. Ohashi, A. Szymkowiak, Y. Takei, M. Tashiro, N. Yamasaki

Proceedings Volume 7732, 77323J (2010) https://doi.org/10.1117/12.857888

KEYWORDS: Sensors, Field effect transistors, Resistors, Detector arrays, X-rays, Lead, Helium, Observatories, X-ray detectors, Spectroscopy

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Proceedings Article | 29 July 2010 Paper

Paper

Progress on the Micro-X sounding rocket x-ray telescope: completion of flight hardware

P. Wikus, J. Adams, R. Baker, S. Bandler, W. Brys, D. Dewey, W. Doriese, M. Eckart, E. Figueroa-Feliciano, R. Goeke, R. Hamersma, G. Hilton, U. Hwang, K. Irwin, R. Kelley, C. Kilbourne, S. Leman, D. McCammon, T. Okajima, R. O'Neal, F. Porter, C. Reintsema, J. Rutherford, P. Serlemitsos, T. Saab, K. Sato, Y. Soong, S. Trowbridge

Proceedings Volume 7732, 77321P (2010) https://doi.org/10.1117/12.857034

KEYWORDS: X-rays, Mirrors, Sensors, Rockets, Silicon, Cryogenics, Aluminum, X-ray telescopes, Space telescopes, Calibration

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Proceedings Article | 24 July 2008 Paper

Paper

Micro-fabricated magnetic microcalorimeter development for x-ray astronomy

Simon Bandler, Joseph Adams, Joern Beyer, Wen-Ting Hsieh, Hannes Rotzinger, George Seidel, Thomas Stevenson

Proceedings Volume 7021, 70211K (2008) https://doi.org/10.1117/12.789894

KEYWORDS: Sensors, Magnetism, X-rays, Magnetic sensors, X-ray astronomy, Inductance, Erbium, Superconductors, Microfabrication, Photography

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Proceedings Article | 15 July 2008 Paper

Paper

Progress on the Micro-X rocket payload

E. Figueroa-Feliciano, P. Wikus, J. Adams, S. Bandler, M. Bautz, K. Boyce, G. Brown, S. Deiker, W. Doriese, K. Flanagan, M. Galeazzi, G. Hilton, U. Hwang, K. Irwin, T. Kallman, R. Kelley, C. Kilbourne, S. Kissel, S. Leman, A. Levine, M. Lowenstein, D. Martinez-Galarce, D. McCammon, R. Mushotzky, R. Petre, F. Porter, C. Reintsema, J. Rutherford, T. Saab, P. Serlemitsos, N. Schulz, R. Smith, J. Ullom

Proceedings Volume 7011, 70113U (2008) https://doi.org/10.1117/12.789904

KEYWORDS: Rockets, Sensors, Mirrors, Laser induced plasma spectroscopy, Skin, Electronics, Information technology, Space telescopes, Ultraviolet radiation, Gamma radiation

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Proceedings Article | 8 June 2007 Paper

Paper

Development of a 1 megapixel long IR QWIP focal plane array

M. Jhabvala, K. K. Choi, C. Monroy, A. La, J. Adams, J. Devitt, D. Forrai, D. Endres

Proceedings Volume 6542, 65420T (2007) https://doi.org/10.1117/12.717224

KEYWORDS: Quantum well infrared photodetectors, Gallium arsenide, Staring arrays, Electronics, Imaging systems, Cameras, Sensors, Quantum efficiency, Readout integrated circuits, Semiconducting wafers

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Showing 5 of 40 publications

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