%0 Generic %1 sullivan2014nearinfrared %A Sullivan, Peter W. %A Croll, Bryce %A Simcoe, Robert A. %D 2014 %K detectors infrared %T Near-Infrared InGaAs Detectors for Background-limited Imaging and Photometry %U http://arxiv.org/abs/1406.2695 %X 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$^-1$ pix$^-1$, 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$^-1/2$, 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.

@misc{sullivan2014nearinfrared, abstract = {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$^{-1}$ pix$^{-1}$, 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$^{-1/2}$, 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.}, added-at = {2014-06-12T09:43:08.000+0200}, author = {Sullivan, Peter W. and Croll, Bryce and Simcoe, Robert A.}, biburl = {https://www.bibsonomy.org/bibtex/2e6f7a7159c498bb5cc2b2098eb219791/miki}, description = {[1406.2695] Near-Infrared InGaAs Detectors for Background-limited Imaging and Photometry}, interhash = {c53714ceaa27090e15c28bc3063a8654}, intrahash = {e6f7a7159c498bb5cc2b2098eb219791}, keywords = {detectors infrared}, note = {cite arxiv:1406.2695Comment: Submitted to Proc. SPIE, Astronomical Telescopes + Instrumentation (2014)}, timestamp = {2014-06-12T09:43:08.000+0200}, title = {Near-Infrared InGaAs Detectors for Background-limited Imaging and Photometry}, url = {http://arxiv.org/abs/1406.2695}, year = 2014 }