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Interferometric detection of ultrasound at rough surfaces using optical phase conjugation

	Hess, P.; Pelzl, J.: Photoacoustic and Photothermal Phenomena 1987 Berlin/West: Springer, 1988 pp.275-276
	International Topical Meeting on Photoacoustic and Photothermal Phenomena <5, 1987, Heidelberg>

	English
	Conference Paper
	Fraunhofer IZFP ()
	Interferometrie; nichtlineare Optik; optische Phasenkonjugation; rauhe Oberfläche; Ultraschall

Abstract
Optical detection of ultrasonic signals of 7.5 MHz center frequency has been carried out by heterodyne-interferometry at the rough surface of an aluminum sample. The distorted wave-front was reconstructed by optical phase-conjugation leading to an increase of the light-gathering power of the interferometer.

: http://publica.fraunhofer.de/documents/PX-19692.html