Accurate analysis of noncollinear acousto-optic interaction in TeO2 crystal

Lan-ying Ding; Xishu An; Quan Ren; Aijian Wei

doi:10.1117/12.169356

15 March 1994 Accurate analysis of noncollinear acousto-optic interaction in TeO₂ crystal

Lan-ying Ding, Xishu An, Quan Ren, Aijian Wei

Proceedings Volume 2065, Optics, Illumination, and Image Sensing for Machine Vision VIII; (1994) https://doi.org/10.1117/12.169356
Event: Optical Tools for Manufacturing and Advanced Automation, 1993, Boston, MA, United States

Abstract

Based on the analysis of the design theories for noncollinear acousto-opto tunable filter (AOTF) by considering the birefringence and the rotatory property of TeO₂ crystal, this paper analyzed and accurately calculated the angular dependence for noncollinear AOTF between the acoustic polar angle (Theta) _(alpha ) and the incident light polar angle (Theta) _(iota ). The calculation pointed out that the approximation for the birefringence and the rotatory property of interaction material leads to an error more than 10% in the optimum incident angle for TeO₂ at the wavelength of 6328 angstrom. This error will seriously degrade the design performances of the device. The resulting curves of various operating wavelengths obviously modified the original curve of Chang and it provided a theory basis for the device design of AOTF with large angular aperture.

Citation Download Citation

Lan-ying Ding, Xishu An, Quan Ren, and Aijian Wei "Accurate analysis of noncollinear acousto-optic interaction in TeO₂ crystal", Proc. SPIE 2065, Optics, Illumination, and Image Sensing for Machine Vision VIII, (15 March 1994); https://doi.org/10.1117/12.169356

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