Dr. Joseph S. Miller Profile

Dr. Joseph S. Miller

Director at Lick Observatory

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 13 September 2012 Paper

Progress in UCO's search for silver-based telescope mirror coatings

Andrew Phillips, Joseph Miller, Michael Bolte, Brian DuPraw, Matthew Radovan, David Cowley

Proceedings Volume 8450, 84502G (2012) https://doi.org/10.1117/12.925502

KEYWORDS: Optical coatings, Reflectivity, Mirrors, Telescopes, Silver, Observatories, Ions, Oxides, Gemini Observatory, Thin film coatings

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Proceedings Article | 23 July 2008 Paper

Progress toward high-performance reflective and anti-reflection coatings for astronomical optics

Andrew Phillips, Joseph Miller, William Brown, David Hilyard, Brian Dupraw, Vernon Wallace, Dave Cowley

Proceedings Volume 7018, 70185A (2008) https://doi.org/10.1117/12.789862

KEYWORDS: Optical coatings, Silver, Mirrors, Reflectivity, Telescopes, Sol-gels, Aluminum, Antireflective coatings, Astronomical imaging, Silica

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Proceedings Article | 11 July 2008 Paper

The Keck-I Cassegrain ADC

Andrew Phillips, Joseph Miller, David Cowley, Vernon Wallace

Proceedings Volume 7014, 701453 (2008) https://doi.org/10.1117/12.789930

KEYWORDS: Prisms, Sol-gels, Telescopes, Silica, Optical coatings, Space telescopes, Antireflective coatings, Magnesium fluoride, Tolerancing, Stars

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Proceedings Article | 29 June 2006 Paper

The Keck-I Cassegrain atmospheric dispersion corrector

Andrew Phillips, Joseph Miller, David Cowley, Vernon Wallace

Proceedings Volume 6269, 62691O (2006) https://doi.org/10.1117/12.672469

KEYWORDS: Prisms, Telescopes, Sol-gels, Silica, Optical coatings, Image quality, Optical instrument design, Glasses, Observatories, Atmospheric modeling

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Proceedings Article | 7 March 2003 Paper

Integral field unit for the echellette spectrograph and imager at Keck II

Andrew Sheinis, Lee Laiterman, David Hilyard, Joseph Miller

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.461958

KEYWORDS: Mirrors, Spectrographs, Surface finishing, Head, Optical alignment, Imaging systems, Spherical lenses, Polishing, Optical design, Relays

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Proceedings Article | 16 August 2000 Paper

Performance characteristics of the new Keck Observatory echelle spectrograph and imager

Andrew Sheinis, Joseph Miller, Michael Bolte, Brian Sutin

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395511

KEYWORDS: Cameras, Spectrographs, Prisms, Telescopes, Mirrors, Imaging systems, Sensors, Keck Observatory, Observatories, Image quality

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Proceedings Article | 16 June 2000 Paper

Active flexure compensation software for the echellette spectrograph and imager on Keck II

Robert Kibrick, Joseph Miller, Jerry Nelson, Matthew Radovan, Andrew Sheinis, Brian Sutin

Proceedings Volume 4009, (2000) https://doi.org/10.1117/12.388396

KEYWORDS: Collimators, Fluorescence correlation spectroscopy, Actuators, Telescopes, Spectrographs, Space telescopes, Calibration, Computer programming, Motion measurement, Motion models

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Proceedings Article | 25 August 1998 Paper

Fabrication of the secondary mirrors for the W.M. Keck telescopes

Joseph Miller, David Hilyard, Terry Mast

Proceedings Volume 3352, (1998) https://doi.org/10.1117/12.319291

KEYWORDS: Polishing, Mirrors, Surface finishing, Telescopes, Observatories, Ions, Aspheric lenses, Profilometers, Zerodur, Software development

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Proceedings Article | 9 July 1998 Paper

Echellette spectrograph and imager (ESI) for the Keck Observatory

Harland Epps, Joseph Miller

Proceedings Volume 3355, (1998) https://doi.org/10.1117/12.316803

KEYWORDS: Collimators, Cameras, Prisms, Mirrors, Charge-coupled devices, Spectrographs, Sensors, Optical design, Mechanical engineering, Imaging systems

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The Echellette Spectrograph and Imager (ESI) for Keck 2 is a versatile Cassegrain instrument which will take data in 3 independent modes. In the echellette mode, it is a medium- dispersion prism cross-dispersed spectrometer featuring a 20- arcsec slit height, 11.5 km/sec/pixel average resolution and full coverage of the (0.39 to 1.09)-micron spectral range in a single exposure. In the prism-only mode, it is a low- dispersion multi-slit spectrometer which covers a 2.0-arcmin- wide field area with an 8.0-arcmin height perpendicular to dispersion. Prismatic resolution is roughly linear with wavelength, ranging from about 62 km/sec/pixel at 0.39 microns to 285 km/sec/pixel at 0.80 microns. In direct-imaging mode, the aforementioned 16.0 sq arcmin field area is reimaged directly unto the CCD detector at a resolution of 0.153 arcsec/pixel. ESI contains an on-axis reflecting collimator which accommodates an off-axis field of view. Cross dispersion is provided by an Ohara BSL7Y prism used in double-pass, followed by a second prism of the same material used in single-pass. The camera is a 10-element all-spherical Epps lens which services a single flat (2048 by 4096 by 15-micron) CCD. The same camera and detector are used for all 3 operating modes without modification. The ESI mechanical design is based upon the 'space-frame' concept which was used successfully for the Keck telescope(s) mechanical structure(s). This results in large weight reduction relative to more typical Cassegrain spectrographs, with the added expectations of very high stiffness and sub-pixel image stability during long exposures. ESI is funded by a grant from CARA and the project has been under way for about 27 months. Most of the mechanical design work is finished and construction is in progress. Electronics, data reduction and user-interface software are nearing completion. All of the optics (including coatings) have been completed and delivered. A thinned science-grade MIT/Lincoln Laboratory CCD for ESI has also been delivered. It is anticipated the ESI may be operational toward the end of 1998.

Showing 5 of 9 publications

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