Imaging experiments based on application of noncollinear tunable acousto-optic filters

Vitaly B. Voloshinov

doi:10.1117/12.339813

29 January 1999 Imaging experiments based on application of noncollinear tunable acousto-optic filters

Vitaly B. Voloshinov

Proceedings Volume 3584, 27th AIPR Workshop: Advances in Computer-Assisted Recognition; (1999) https://doi.org/10.1117/12.339813
Event: The 27th AIPR Workshop: Advances in Computer-Assisted Recognition, 1998, Washington, DC, United States

Abstract

The paper presents results on theoretical and experimental investigation of tunable acousto-optic filters and their applications in optics and spectroscopy for spectral filtration of divergent optical beams and images. Physical principles of operation of wide-angular acousto-optic filters are examined and basic parameters of developed instruments are described in the paper. The instruments intended for processing of optical images are designed on base of optically anisotropic single crystals of tellurium dioxide. Various experimental block-schemes and optical arrangements for image processing are described and some peculiarities of the imaging experiments are presented in the paper. In particular, experimental results on acousto- optic imaging by means of tunable filters not sensitive to polarization of incident optical radiation are examined and processing of infrared images characterized by relatively low intensity of light beams is described in the report. Proposals on design of acousto-optic cells optimized for the imaging experiments are also presented and discussed in the paper.

Citation Download Citation

Vitaly B. Voloshinov "Imaging experiments based on application of noncollinear tunable acousto-optic filters", Proc. SPIE 3584, 27th AIPR Workshop: Advances in Computer-Assisted Recognition, (29 January 1999); https://doi.org/10.1117/12.339813

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