SWIR Geiger-mode APD detectors and cameras for 3D imaging

Mark A. Itzler; Mark Entwistle; Uppili Krishnamachari; Mark Owens; Xudong Jiang; Krystyna Slomkowski; Sabbir Rangwala

doi:10.1117/12.2050798

5 June 2014 SWIR Geiger-mode APD detectors and cameras for 3D imaging

Mark A. Itzler, Mark Entwistle, Uppili Krishnamachari, Mark Owens, Xudong Jiang, Krystyna Slomkowski, Sabbir Rangwala

Proceedings Volume 9114, Advanced Photon Counting Techniques VIII; 91140F (2014) https://doi.org/10.1117/12.2050798
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

The operation of avalanche photodiodes in Geiger mode by arming these detectors above their breakdown voltage provides high-performance single photon detection in a robust solid-state device platform. Moreover, these devices are ideally suited for integration into large format focal plane arrays enabling single photon imaging. We describe the design and performance of short-wave infrared 3D imaging cameras with focal plane arrays (FPAs) based on Geigermode avalanche photodiodes (GmAPDs) with single photon sensitivity for laser radar imaging applications. The FPA pixels incorporate InP/InGaAs(P) GmAPDs for the detection of single photons with high efficiency and low dark count rates. We present results and attributes of fully integrated camera sub-systems with 32 × 32 and 128 × 32 formats, which have 100 μm pitch and 50 μm pitch, respectively. We also address the sensitivity of the fundamental GmAPD detectors to radiation exposure, including recent results that correlate detector active region volume to sustainable radiation tolerance levels.

Citation Download Citation

Mark A. Itzler, Mark Entwistle, Uppili Krishnamachari, Mark Owens, Xudong Jiang, Krystyna Slomkowski, and Sabbir Rangwala "SWIR Geiger-mode APD detectors and cameras for 3D imaging", Proc. SPIE 9114, Advanced Photon Counting Techniques VIII, 91140F (5 June 2014); https://doi.org/10.1117/12.2050798

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