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Proceedings Paper

Spectrally adaptive light filtering
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Paper Abstract

A technology of spectrally adaptive light filtering has been demonstrated, which allows changing the transmission curve of an optical filter in an octave-wide spectral interval with the kilohertz rate under full computer control. This technology utilizes the unique capability of acousto-optic tunable filters to transmit light in several spectral intervals simultaneously, driven by radio signals with complex spectra. A computer algorithm to synthesize the driving signal for an arbitrary given spectral transmission curve was developed. This algorithm has been used for various applications of this developed technology in the visible, SWIR, and MWIR spectral intervals.

Paper Details

Date Published: 26 September 1997
PDF: 11 pages
Proc. SPIE 3140, Photometric Engineering of Sources and Systems, (26 September 1997); doi: 10.1117/12.284089
Show Author Affiliations
Paul I. Shnitser, Physical Optics Corp. (United States)
Il'ya P. Agurok, Physical Optics Corp. (United States)


Published in SPIE Proceedings Vol. 3140:
Photometric Engineering of Sources and Systems
Angelo V. Arecchi, Editor(s)

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