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