NDLI: Improvement of nonlinearity and extension of wavelength region using tandem (PV+PC) type HgCdTe detector (Dual-MCT) in FTIR spectrometer

Content Provider	Springer Nature Link
Author	Abe, O. Kawasaki, K. Wakaki, M.
Copyright Year	1999
Abstract	A tandem (PV+PC) type HgCdTe detector (Dual-MCT) was fabricated to improve the nonlinear detector response and extend the wavelength region in Fourier transform infrared spectrometer. The backside-illuminated narrow band PV-MCT detector was arranged at the upper part of the hybrid device. A grid or a circular pattem electrode was formed on the active area to transmit the longer wavelength light than cutoff. The appropriate reverse bias was applied to the detector to obtain better linearity. The PC-MCT detector with a longer cutoff wavelength of middle band or wide band was arranged at the down part of the device to receive the transmitted light through the PV-MCT. The interferogram signals with better linearity from both detectors were combined after the phase matched preamplifier and Fourier transformed to a spectrum. The calibration curves evaluated with the absorption peaks at wavenumbers of 2025 and 972 cm$^{−1}$ of n-hexane showed that the Dual-MCT had excellent linearity and wider wavelength coverage.
Starting Page	858
Ending Page	863
Page Count	6
File Format	PDF
ISSN	03615235
Journal	Journal of Electronic Materials
Volume Number	28
Issue Number	6
e-ISSN	1543186X
Language	English
Publisher	Springer-Verlag
Publisher Date	1999-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Dual-MCT Fourier transform infrared (FTIR) HgCdTe detector interferogram nonlinear detector response spectrometer Optical and Electronic Materials Characterization and Evaluation of Materials Electronics and Microelectronics, Instrumentation Solid State Physics and Spectroscopy
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Electronic, Optical and Magnetic Materials Condensed Matter Physics Electrical and Electronic Engineering

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