Near-infrared InGaAs detectors for background-limited imaging and photometry
Originally designed for night-vision equipment, InGaAs detectors are beginning to achieve background-limited performance in broadband imaging from the ground. The lower cost of these detectors can enable multi-band instruments, arrays of small telescopes, and large focal planes that would be unecono...
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| Format: | Article |
| Language: | en_US |
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SPIE
2015
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| Online Access: | http://hdl.handle.net/1721.1/98293 https://orcid.org/0000-0003-3769-9559 |
| _version_ | 1826193747218530304 |
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| author | Sullivan, Peter W. Simcoe, Robert A. Croll, Bryce J. |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Sullivan, Peter W. Simcoe, Robert A. Croll, Bryce J. |
| author_sort | Sullivan, Peter W. |
| collection | MIT |
| description | Originally designed for night-vision equipment, InGaAs detectors are beginning to achieve background-limited performance in broadband imaging from the ground. The lower cost of these detectors can enable multi-band instruments, arrays of small telescopes, and large focal planes that would be uneconomical with high-performance HgCdTe detectors. We developed a camera to operate the FLIR AP1121 sensor using deep thermoelectric cooling and up-the-ramp sampling to minimize noise. We measured a dark current of 163 e- s[superscript -1] pix[superscript -1], a read noise of 87 e- up-the-ramp, and a well depth of 80k e-. Laboratory photometric testing achieved a stability of 230 ppm hr[superscript -1/2], which would be required for detecting exoplanet transits. InGaAs detectors are also applicable to other branches of near-infrared time-domain astronomy, ranging from brown dwarf weather to gravitational wave follow-up. |
| first_indexed | 2024-09-23T09:44:16Z |
| format | Article |
| id | mit-1721.1/98293 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T09:44:16Z |
| publishDate | 2015 |
| publisher | SPIE |
| record_format | dspace |
| spelling | mit-1721.1/982932022-09-30T16:30:31Z Near-infrared InGaAs detectors for background-limited imaging and photometry Sullivan, Peter W. Simcoe, Robert A. Croll, Bryce J. Massachusetts Institute of Technology. Department of Physics MIT Kavli Institute for Astrophysics and Space Research Sullivan, Peter W. Croll, Bryce J. Simcoe, Robert A. Originally designed for night-vision equipment, InGaAs detectors are beginning to achieve background-limited performance in broadband imaging from the ground. The lower cost of these detectors can enable multi-band instruments, arrays of small telescopes, and large focal planes that would be uneconomical with high-performance HgCdTe detectors. We developed a camera to operate the FLIR AP1121 sensor using deep thermoelectric cooling and up-the-ramp sampling to minimize noise. We measured a dark current of 163 e- s[superscript -1] pix[superscript -1], a read noise of 87 e- up-the-ramp, and a well depth of 80k e-. Laboratory photometric testing achieved a stability of 230 ppm hr[superscript -1/2], which would be required for detecting exoplanet transits. InGaAs detectors are also applicable to other branches of near-infrared time-domain astronomy, ranging from brown dwarf weather to gravitational wave follow-up. United States. National Aeronautics and Space Administration (Sagan Fellowship) Natural Sciences and Engineering Research Council of Canada 2015-09-01T16:15:47Z 2015-09-01T16:15:47Z 2014-06 Article http://purl.org/eprint/type/ConferencePaper 0277-786X http://hdl.handle.net/1721.1/98293 Sullivan, Peter W., Bryce Croll, and Robert A. Simcoe. “Near-Infrared InGaAs Detectors for Background-Limited Imaging and Photometry.” Edited by Andrew D. Holland and James Beletic. High Energy, Optical, and Infrared Detectors for Astronomy VI (July 23, 2014). © 2014 Society of Photo-Optical Instrumentation Engineers (SPIE) https://orcid.org/0000-0003-3769-9559 en_US http://dx.doi.org/10.1117/12.2056425 Proceedings of SPIE--the International Society for Optical Engineering Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf SPIE SPIE |
| spellingShingle | Sullivan, Peter W. Simcoe, Robert A. Croll, Bryce J. Near-infrared InGaAs detectors for background-limited imaging and photometry |
| title | Near-infrared InGaAs detectors for background-limited imaging and photometry |
| title_full | Near-infrared InGaAs detectors for background-limited imaging and photometry |
| title_fullStr | Near-infrared InGaAs detectors for background-limited imaging and photometry |
| title_full_unstemmed | Near-infrared InGaAs detectors for background-limited imaging and photometry |
| title_short | Near-infrared InGaAs detectors for background-limited imaging and photometry |
| title_sort | near infrared ingaas detectors for background limited imaging and photometry |
| url | http://hdl.handle.net/1721.1/98293 https://orcid.org/0000-0003-3769-9559 |
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