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11 November 2019 Endoscopic spectral imagers based on acousto-optic filtration of light
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Proceedings Volume 11210, Fourteenth School on Acousto-Optics and Applications; 112100D (2019) https://doi.org/10.1117/12.2540980
Event: Fourteenth School on Acousto-Optics and Applications, 2019, Torun, Poland
Abstract
Endoscopic imaging systems are widely used for non-invasive diagnostics of inner tissues for biomedical applications as well as for non-destructive testing of various hard-to-reach industrial objects. Conventional white light endoscopy often does not provide contrast visualization of the inspected objects and quantitative characterization of their differences. In these cases, spectral imaging techniques may be helpful to increase the effectiveness of endoscopic inspection. Acoustooptic (AO) filtration of light is a very promising technique for implementing spectral imaging capabilities. In this paper, we discuss the peculiarities and benefits of conjugating AO tunable filters (AOTF) with rigid borescopes, flexible fiberscopes and video endoscopes. We analyze and compare imaging and spectroscopy capabilities of two alternative technical implementations: AOTF-based tunable light sources and AOTF-based add-on imaging modules. The results of this analysis are confirmed by multiple experiments.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Demid D. Khokhlov, Alexander S. Machikhin, Vladislav I. Batshev, Alexey V. Gorevoy, and Vitold E. Pozhar "Endoscopic spectral imagers based on acousto-optic filtration of light", Proc. SPIE 11210, Fourteenth School on Acousto-Optics and Applications, 112100D (11 November 2019); https://doi.org/10.1117/12.2540980
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