Dr. Sreejith Aickara Gopinathan Profile

Dr. Sreejith Aickara Gopinathan

Post Doc at Institut für Weltraumforschung

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 21 August 2024 Poster + Paper

Observing modes of the SPRITE 12U CubeSat: a probe of star formation feedback with far-UV imaging spectroscopy

Donal O'Sullivan, Brian Fleming, Briana Indahl, Dmitry Vorobiev, Maitland Bowen, Kevin France, Sebastian Escobar, Yi Hang Valerie Wong, Elena Carlson, Sreejith Aickara Gopinathan, Sanchayeeta Borthakur, Javier Del Hoyo, Adriana Diaz, John Hennessy, Anne Jaskot, Adam Magruder, Adrian Martin, Stephan McCandliss, John O'Meara, Manuel Quijada, Luis Rodríguez-de Marcos, Michael Rutkowski, Ravi Sankrit, Oswald Siegmund, Jason Tumlinson, Dana Chafetz, Stefan Ulrich, Beth Cervelli, Jack Williams, Diane Brening, Alex Sico, Michael Kaiser

Proceedings Volume 13093, 1309332 (2024) https://doi.org/10.1117/12.3020332

KEYWORDS: Galactic astronomy, Ultraviolet radiation, Photons, Sensors, Microchannel plates, Far ultraviolet, Stars, Calibration, S band, Equipment

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SPIE Journal Paper | 12 March 2019

Colorado Ultraviolet Transit Experiment data simulator

Aickara Gopinathan Sreejith, Luca Fossati, Brian Fleming, Kevin France, Tommi Koskinen, Arika Egan, Hannah Rüdisser, Manfred Steller

JATIS, Vol. 5, Issue 01, 018004, (March 2019) https://doi.org/10.1117/12.10.1117/1.JATIS.5.1.018004

KEYWORDS: Stars, Space operations, Charge-coupled devices, Ultraviolet radiation, Computer simulations, Device simulation, Sensors, Spectral resolution, Spectrographs, Atmospheric sensing

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Proceedings Article | 6 July 2018 Presentation + Paper

The Colorado ultraviolet transit experiment (CUTE): final design and projected performance

Arika Egan, Brian Fleming, Kevin France, Nicholas Nell, Stefan Ulrich, Nicholas DeCicco, Richard Kohnert, A. G. Sreegith, Luca Fossati, Nicholas Kruczek

Proceedings Volume 10699, 106990C (2018) https://doi.org/10.1117/12.2309990

KEYWORDS: Space operations, Space telescopes, Telescopes, Exoplanets, Spectrographs, Aluminum, Ultraviolet radiation, Atmospheric monitoring

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Proceedings Article | 6 July 2018 Paper

PIONS: a CubeSat imager to observe variable UV sources

S. Ambily, Joice Mathew, Mayuresh Sarpotdar, Jayant Murthy, V. Aggarval, S. Nagabhushanam, Divya Rao, Sachin Jeeragal, Kaipachery Nirmal, A. G. Sreejith, Binukumar Gopalakrishnan, Margarita Safonova

Proceedings Volume 10699, 106993E (2018) https://doi.org/10.1117/12.2311670

KEYWORDS: Space telescopes, Microchannel plates, CMOS sensors, Ultraviolet radiation, Field programmable gate arrays, Calibration

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Proceedings Article | 6 July 2018 Presentation + Paper

Opto-mechanical assembly and ground calibration of LUCI

Joice Mathew, B. Nair, S. Sriram, P. U. Kamath, Ajin Prakash, Mayuresh Sarpotdar, S. Ambily, Nirmal K., A. G. Sreejith, Margarita Safonova, Jayant Murthy, Noah Brosch

Proceedings Volume 10699, 106992V (2018) https://doi.org/10.1117/12.2312733

KEYWORDS: Ultraviolet radiation, Space telescopes, Telescopes, Mirrors, Calibration, Collimators, Ultraviolet telescopes, Charge-coupled devices, Aerospace engineering, Sensors

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Proceedings Article | 6 July 2018 Paper

CUTE data simulator and reduction pipeline

A. Sreejith, Luca Fossati, Manfred Steller, Brian Fleming, Kevin France

Proceedings Volume 10699, 1069932 (2018) https://doi.org/10.1117/12.2309922

KEYWORDS: Device simulation, Calibration, Ultraviolet radiation, Space operations, Stars, Charge-coupled devices, Exoplanets, Spectrographs, Earth's atmosphere, Zemax

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SPIE Journal Paper | 17 May 2018

Design and modeling of a tunable spatial heterodyne spectrometer for emission line studies

Nirmal Kaipachery, Sridharan Rengaswamy, Sripadmanaban Nadar Sriram, Jayant Murthy, Ambily Suresh, Margarita Safonova, Aickara Gopinathan Sreejith, Joice Mathew, Mayuresh Sarpotdar

JATIS, Vol. 4, Issue 02, 025001, (May 2018) https://doi.org/10.1117/12.10.1117/1.JATIS.4.2.025001

KEYWORDS: Sensors, Spectroscopy, Heterodyning, Spectral resolution, Fourier transforms, Lamps, Systems modeling, Beam splitters, Mirrors, Stars

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SPIE Journal Paper | 14 December 2016

Pointing system for the balloon-borne astronomical payloads

Kaipacheri Nirmal, Sreejith Aickara Gopinathan, Joice Mathew, Mayuresh Sarpotdar, Ambily Suresh, Ajin Prakash, Margarita Safonova, Jayant Murthy

JATIS, Vol. 2, Issue 04, 047001, (December 2016) https://doi.org/10.1117/12.10.1117/1.JATIS.2.4.047001

KEYWORDS: Sun, Astronomy, Sensors, Imaging systems, Gyroscopes, Magnetometers, Control systems, Magnetism, Global Positioning System, Cameras

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Proceedings Article | 9 August 2016 Paper

Balloon UV experiments for astronomical and atmospheric observations

Sreejith A. G., Joice Mathew, Mayuresh Sarpotdar, Nirmal K., Ambily S., Ajin Prakash, Margarita Safonova, Jayant Murthy

Proceedings Volume 9908, 99084E (2016) https://doi.org/10.1117/12.2232246

KEYWORDS: Astronomy, Ultraviolet radiation, Atmospheric chemistry, Spectrographs, Comets, CMOS sensors, Sensors, Star sensors, Telescopes, Space telescopes

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Proceedings Article | 22 July 2016 Paper

Noise modeling and analysis of an IMU-based attitude sensor: improvement of performance by filtering and sensor fusion

Nirmal K., Sreejith A. G., Joice Mathew, Mayuresh Sarpotdar, Ambily Suresh, Ajin Prakash, Margarita Safonova, Jayant Murthy

Proceedings Volume 9912, 99126W (2016) https://doi.org/10.1117/12.2234255

KEYWORDS: Sensors, Calibration, Sensors, Gyroscopes, Performance modeling, Sensor performance, Sensor fusion, Seaborgium, Error analysis, Stochastic processes, Interference (communication)

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Proceedings Article | 18 July 2016 Paper

An ultraviolet imager to study bright UV sources

Joice Mathew, Ajin Prakash, Mayuresh Sarpotdar, A. G. Sreejith, Margarita Safonova, Jayant Murthy

Proceedings Volume 9905, 990532 (2016) https://doi.org/10.1117/12.2232977

KEYWORDS: Sensors, Ultraviolet radiation, Mirrors, Spectroscopy, Cameras, Imaging systems, Telescopes, Space telescopes, Astronomical imaging, Optical filters

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Proceedings Article | 18 July 2016 Paper

Near UV imager with an MCP-based photon counting detector

S. Ambily, Joice Mathew, Mayuresh Sarpotdar, A. G. Sreejith, K. Nirmal, Ajin Prakash, Margarita Safonova, Jayant Murthy

Proceedings Volume 9905, 990539 (2016) https://doi.org/10.1117/12.2232435

KEYWORDS: Ultraviolet radiation, Exoplanets, Spectroscopy, Planets, Homodyne detection, Atmospheric modeling, Spectral resolution, Space telescopes, Telescopes, Interferometers

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Proceedings Article | 15 June 2015 Paper

Near ultraviolet spectrograph for balloon platform

A. Sreejith, Margarita Safonova, Jayant Murthy

Proceedings Volume 9654, 96540D (2015) https://doi.org/10.1117/12.2181749

KEYWORDS: Mirrors, Spectrographs, Monochromatic aberrations, Near ultraviolet, CMOS sensors, Spherical lenses, Aberration correction, Space telescopes, Optical design, Sensors

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Showing 5 of 13 publications

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