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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 24 — Dec. 15, 1999
  • pp: 1835–1837

High-resolution spectrometry for diffuse light by use of anamorphic concentration

N. Davidson, L. Khaykovich, and E. Hasman  »View Author Affiliations


Optics Letters, Vol. 24, Issue 24, pp. 1835-1837 (1999)
http://dx.doi.org/10.1364/OL.24.001835


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Abstract

A new scheme to improve the spectral resolution of grating-based spectrometers for diffuse light is proposed and demonstrated. It exploits an anamorphic transformation that reduces the beam divergence in the direction of the grating grooves while increasing the divergence in the orthogonal direction to improve the spectral resolution without any loss of light. Up to 12-fold improvement in the spectral resolution was obtained.

© 1999 Optical Society of America

OCIS Codes
(070.4790) Fourier optics and signal processing : Spectrum analysis
(080.2740) Geometric optics : Geometric optical design
(220.1770) Optical design and fabrication : Concentrators
(230.6080) Optical devices : Sources

Citation
N. Davidson, L. Khaykovich, and E. Hasman, "High-resolution spectrometry for diffuse light by use of anamorphic concentration," Opt. Lett. 24, 1835-1837 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-24-1835

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