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Opt Lett. 1991 Mar 15;16(6):429-31.

Accurate design of a noncollinear acousto-optic tunable filter.

Abstract

The analysis of a noncollinear acousto-optic tunable filter commonly found in the literature is based on an approximation for the birefringence of the interaction material. It is demonstrated that this approximation leads to a significant error in calculating the optimum incident angle for a device, which can seriously degrade its performance if a fixed output beam angle is required. An alternative, exact analysis is presented and compared with experimental results.

PMID:
19773956
[PubMed]
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