SCD's cooled and uncooled photo detectors for NIR SWIR

Rami Fraenkel; Daniel Aronov; Yael Benny; Eyal Berkowicz; Leonid Bykov; Zipi Calahorra; Tal Fishman; Avihoo Giladi; Elad Ilan; Philip Klipstein; Lidia Langof; Inna Lukomsky; David Mistele; Udi Mizrahi; Dan Nussinson; Avi Twitto; Michael Yassen; Ami Zemel

doi:10.1117/12.918098

31 May 2012 SCD's cooled and uncooled photo detectors for NIR SWIR

Rami Fraenkel, Daniel Aronov, Yael Benny, Eyal Berkowicz, Leonid Bykov, Zipi Calahorra, Tal Fishman, Avihoo Giladi, Elad Ilan, Philip Klipstein, Lidia Langof, Inna Lukomsky, David Mistele, Udi Mizrahi, Dan Nussinson, Avi Twitto, Michael Yassen, Ami Zemel

Author Affiliations +

Proceedings Volume 8353, Infrared Technology and Applications XXXVIII; 835305 (2012) https://doi.org/10.1117/12.918098
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

Short wavelength Infra Red (SWIR) imaging has gained considerable interest in recent years. The main applications among others are: active imaging and LADAR, enhanced vision systems, low light level imaging and security surveillance systems. In this paper we will describe SCD's considerable efforts in this spectral region, addressing several platforms: 1. Extension of the mature InSb MWIR product line operating at 80K (cut-off wavelength of 5.4μm). 2. Extension of our new XB_nn InAsSb "bariode" technology operating at 150K (cut-off of 4.1μm). 3. Development of InGaAs detectors for room temperature operation (cut-off of 1.7μm) 4. Development of a SNIR ROIC with a low noise imaging mode and unique laser-pulse detection modes. In the first section we will present our latest achievements for the cooled detectors where the SWIR region is combined with MWIR response. Preliminary results for the NIR-VIS region are presented where advanced substrate removal techniques are implemented on flip-chip hybridized focal plane arrays. In the second part we will demonstrate our VGA, 15μm pitch, InGaAs arrays with dark current density below 1.5nA/cm² at 280K. The InGaAs array is hybridized to the SNIR ROIC, thus offering the capability of low SWaP systems with laser-pulse detection modes.

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Rami Fraenkel, Daniel Aronov, Yael Benny, Eyal Berkowicz, Leonid Bykov, Zipi Calahorra, Tal Fishman, Avihoo Giladi, Elad Ilan, Philip Klipstein, Lidia Langof, Inna Lukomsky, David Mistele, Udi Mizrahi, Dan Nussinson, Avi Twitto, Michael Yassen, and Ami Zemel "SCD's cooled and uncooled photo detectors for NIR SWIR", Proc. SPIE 8353, Infrared Technology and Applications XXXVIII, 835305 (31 May 2012); https://doi.org/10.1117/12.918098

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