Eril Belhaire, Régis Pichon. Advantages of QWIP technology in infrared thermal cameras[J]. Journal of Applied Optics, 2017, 38(2): 298-303. DOI: 10.5768/JAO201738.0206001
Citation: Eril Belhaire, Régis Pichon. Advantages of QWIP technology in infrared thermal cameras[J]. Journal of Applied Optics, 2017, 38(2): 298-303. DOI: 10.5768/JAO201738.0206001

Advantages of QWIP technology in infrared thermal cameras

  • Standard GaAs/AlGaAs quantum well infrared photodetectors (QWIP) have been seriously considered as atechnological choice for the 3rd generation of thermal imagers in the long wave infrared band (LWIR) for some time. Alternative technology like MCT (HgCdTe) was the technology choice of the 2nd generation because of its high quantum efficiency. In the paper, measurements on the QWIP technology will be presented and a comparison with alternative technology will be done.
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