13 November 2000 Photorefractive polymers for laser-based ultrasound detection
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Abstract
Photorefractive polymers have recently shown an attractive combination of high two-beam-coupling gain coefficient (approximately equals 200cm-1), low absorption (approximately equals 5-10 cm-1), and fast response (few ms) at 1W/cm2 writing intensity. Such materials show promise as adaptive beamsplitters for homodyne detection of transient phase shifts due to laser-based ultrasound. The performance of a photorefractive polymer composite is explored for this application.
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Daniel Wright, Ulrich J. Gubler, Marvin B. Klein, William E. Moerner, "Photorefractive polymers for laser-based ultrasound detection", Proc. SPIE 4104, Organic Photorefractives, Photoreceptors, and Nanocomposites, (13 November 2000); doi: 10.1117/12.406474; https://doi.org/10.1117/12.406474
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