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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 17 — Aug. 25, 2003
  • pp: 1960–1965

Adaptive imaging spectrometer in a time-domain filtering architecture

Yang Jiao, Sameer R. Bhalotra, Helen L. Kung, and David. A. B. Miller  »View Author Affiliations

Optics Express, Vol. 11, Issue 17, pp. 1960-1965 (2003)

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We demonstrate an imaging spectrometer with 30nm resolution that utilizes a novel time-domain filtering architecture. The architecture is based on a pixel by pixel integration of the interferogram signal mixed with reference waveforms. The system can be adapted in real time to discriminate between LED sources of different wavelengths, perform signal processing on the spectra, as well as discriminate between highly overlapping, broadband spectral features in a scene illuminated by a tungsten lamp. Unlike a conventional spectral signature discrimination system, which needs a dedicated computation subsystem running a discrimination algorithm, the time-domain filtering architecture embeds much of the computation in the filtering, which will aid the design of integrated miniaturized spectral signature discrimination systems.

© 2003 Optical Society of America

OCIS Codes
(300.6190) Spectroscopy : Spectrometers
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms
(350.5730) Other areas of optics : Resolution

ToC Category:
Research Papers

Original Manuscript: July 15, 2003
Revised Manuscript: August 8, 2003
Published: August 25, 2003

Yang Jiao, Sameer Bhalotra, Helen Kung, and David Miller, "Adaptive imaging spectrometer in a time-domain filtering architecturedaptive Imaging Spectrometer in a Time-Domain Filtering Architecture," Opt. Express 11, 1960-1965 (2003)

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