Photocurrent Measurement of PC and PV HgCdTe Detectors

  title={Photocurrent Measurement of PC and PV HgCdTe Detectors},
  author={George P. Eppeldauer and Robert J. Martin},
  booktitle={Journal of research of the National Institute of Standards and Technology},
Novel preamplifiers for working standard photoconductive (PC) and photovoltaic (PV) HgCdTe detectors have been developed to maintain the spectral responsivity scale of the National Institute of Standards and Technology (NIST) in the wavelength range of 5 μm to 20 μm. The linear PC mode preamplifier does not need any compensating source to zero the effect of the detector bias current for the preamplifier output. The impedance multiplication concept with a positive feedback buffer amplifier was… CONTINUE READING


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