The CHROMA focal plane array: a large-format, low-noise detector optimized for imaging spectroscopy

Richard T. Demers; Robert Bailey; James W. Beletic; Steve Bernd; Sidharth Bhargava; Jason Herring; Paul Kobrin; Donald Lee; Jianmei Pan; Anders Petersen; Eric Piquette; Brian Starr; Matthew Yamamoto; Majid Zandian

doi:10.1117/12.2029617

23 September 2013 The CHROMA focal plane array: a large-format, low-noise detector optimized for imaging spectroscopy

Richard T. Demers, Robert Bailey, James W. Beletic, Steve Bernd, Sidharth Bhargava, Jason Herring, Paul Kobrin, Donald Lee, Jianmei Pan, Anders Petersen, Eric Piquette, Brian Starr, Matthew Yamamoto, Majid Zandian

Author Affiliations +

Proceedings Volume 8870, Imaging Spectrometry XVIII; 88700J (2013) https://doi.org/10.1117/12.2029617
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

The CHROMA (Configurable Hyperspectral Readout for Multiple Applications) is an advanced Focal Plane Array (FPA) designed for visible-infrared imaging spectroscopy. Using Teledyne’s latest substrateremoved HgCdTe detector, the CHROMA FPA has very low dark current, low readout noise and high, stable quantum efficiency from the deep blue (390nm) to the cutoff wavelength. CHROMA has a pixel pitch of 30 microns and is available in array formats ranging from 320×480 to 1600×480 pixels. Users generally disperse spectra over the 480 pixel-length columns and image spatially over the n×160 pixellength rows, where n=2, 4, 8, 10. The CHROMA Readout Integrated Circuit (ROIC) has Correlated Double Sampling (CDS) in pixel and generates its own internal bias signals and clocks. This paper presents the measured performance of the CHROMA FPA with 2.5 micron cutoff wavelength including the characterization of noise versus pixel gain, power dissipation and quantum efficiency.

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Richard T. Demers, Robert Bailey, James W. Beletic, Steve Bernd, Sidharth Bhargava, Jason Herring, Paul Kobrin, Donald Lee, Jianmei Pan, Anders Petersen, Eric Piquette, Brian Starr, Matthew Yamamoto, and Majid Zandian "The CHROMA focal plane array: a large-format, low-noise detector optimized for imaging spectroscopy", Proc. SPIE 8870, Imaging Spectrometry XVIII, 88700J (23 September 2013); https://doi.org/10.1117/12.2029617

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