Single photon HgCdTe avalanche photodiode and integrated detector cooler assemblies for space lidar applications | Zendy

Xiaoli Sun | Zendy; James B. Abshire | Zendy; Michael A. Krainak | Zendy; Jeff Beck | Zendy; William Sullivan | Zendy; P. Mitra | Zendy; Dick M. Rawlings | Zendy; Wei Lu | Zendy; R. A. Fields | Zendy; David Hinkley | Zendy; Bradley Hirasuna | Zendy

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Single photon HgCdTe avalanche photodiode and integrated detector cooler assemblies for space lidar applications

Author(s) -

Xiaoli Sun,

James B. Abshire,

Michael A. Krainak,

Jeff Beck,

William Sullivan,

P. Mitra,

Dick M. Rawlings,

Wei Lu,

R. A. Fields,

David Hinkley,

Bradley Hirasuna

Publication year - 2018

Publication title -

nasa sti repository (national aeronautics and space administration)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1117/12.2305017

Subject(s) - avalanche photodiode , detector , optics , photodiode , materials science , lidar , wavelength , photon counting , optoelectronics , photodetector , physics

A linear mode photon counting HgCdTe avalanche photodiode (APD) focal plane array (FPA) detector was developed for space lidar applications. An integrated detector cooler assembly (IDCA) was manufactured using a miniature Stirling cooler. The HgCdTe APD demonstrated a greater than 60% photon detection efficiency from 0.9 to 4.3 μm wavelength and a dark count rate less than 250,000/s. The IDCA cooled the FPA to 110K from ambient room temperature at a total electrical power of 7 W. The IDCA has passed environmental tests, including vibration, thermal cycling and thermal vacuum tests.

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