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Proceedings Paper

Testing of InGaAs, microbolometer and pyroelectric detectors in support of the EarthCARE mission
Author(s): Gordon Hopkinson; Luis Gomez Rojas; Mark Skipper; Roland Meynart
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Paper Abstract

A test programme for infrared detectors in support of the EarthCARE mission is discussed. Commercially available linear InGaAs arrays from XenICs, Belgium (cut-off wavelengths 1.7, 2.2 and 2.5 μm), 384 x 288 amorphous silicon microbolometer arrays from ULIS, France and un-windowed single element lithium tantalate pyroelectric detectors from Infratec, Germany have been studied in detail to assess their suitability for EarthCARE and to provide performance data to aid in the design of the flight instruments. Tests included radiation resistance (cobalt60 and 60 MeV protons plus a heavy ion latch-up test for the InGaAs and microbolometer arrays), dark signal, noise, output stability, linearity, crosstalk and spectral response. In addition, the pyroelectric detectors were tested for low microphony.

Paper Details

Date Published: 9 October 2008
PDF: 12 pages
Proc. SPIE 7106, Sensors, Systems, and Next-Generation Satellites XII, 71061O (9 October 2008); doi: 10.1117/12.799648
Show Author Affiliations
Gordon Hopkinson, Surrey Satellite Technology Ltd. (United Kingdom)
Luis Gomez Rojas, Surrey Satellite Technology Ltd. (United Kingdom)
Mark Skipper, Surrey Satellite Technology Ltd. (United Kingdom)
Roland Meynart, ESA ESTEC (Netherlands)


Published in SPIE Proceedings Vol. 7106:
Sensors, Systems, and Next-Generation Satellites XII
Roland Meynart; Steven P. Neeck; Haruhisa Shimoda; Shahid Habib, Editor(s)

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