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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 13, Iss. 11 — Nov. 1, 1974
  • pp: 2651–2653

Multiplexed Dispersive Spectrometers Using Reduced Background Infrared Detectors

Clair L. Wyatt and Roy W. Esplin  »View Author Affiliations


Applied Optics, Vol. 13, Issue 11, pp. 2651-2653 (1974)
http://dx.doi.org/10.1364/AO.13.002651


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Abstract

The application of multiplex spectrometry to cryogenically cooled LWIR extrinsic photodetectors is limited by system noise. This noise limitation results in a detector NEP that is directly proportional to bandwidth. Therefore, multiplex schemes that require increased bandwidth are not productive of real advantage. However, doubly encoded systems that are based on 2n − 1 or n + N − 1 measurements have the potential to provide a real throughput gain proportional to the number of elements used on the throughput matrix.

© 1974 Optical Society of America

History
Original Manuscript: May 9, 1974
Published: November 1, 1974

Citation
Clair L. Wyatt and Roy W. Esplin, "Multiplexed Dispersive Spectrometers Using Reduced Background Infrared Detectors," Appl. Opt. 13, 2651-2653 (1974)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-13-11-2651

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