论文信息 - Evolution of quantum detectors from VLWIR to FIR

Evolution of quantum detectors from VLWIR to FIR

Evolution of devices for detecting smaller and smaller energy photons starting from the infrared region of the electromagnetic spectrum is described. A brief description of the extrinsic detector development for LWIR to FIR wavelengths is presented. Several other types of IR detectors including the cutoff wavelength extension into the FIR range for quantum well infrared photodetectors (QWIPs) are presented. Efforts in developing p-GaAs Homojunction Interfacial Workfunction Internal Photoemission (HIWIP) far-infrared detectors and the most recent development in GaAs/AlGaAs HEterojunction interfacial workfunction internal photoemission (HEIWIP) far-infrared detectors are also presented.

A. G. Unil Perera

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