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Optical Heterodyne Force Microscopy

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Publication date1998
Host publicationUltrasonics Symposium, 1998. Proceedings., 1998 IEEE
EditorsS. C. Schneider, M. Levy, B. R. McAvoy
Place of PublicationNew York
PublisherIEEE
Pages1269-1272
Number of pages4
Volume2
ISBN (print)0-7803-4096-5
<mark>Original language</mark>English
Event1998 IEEE Ultrasonics Symposium - SENDAI
Duration: 5/10/19988/10/1998

Conference

Conference1998 IEEE Ultrasonics Symposium
CitySENDAI
Period5/10/988/10/98

Conference

Conference1998 IEEE Ultrasonics Symposium
CitySENDAI
Period5/10/988/10/98

Abstract

We present a new technique, Optical Heterodyne Force Microscopy, that allows local probing of photothermally-induced ultrasonic vibrations of a sample surface. We demonstrate with images of a sample of highly-oriented pyrolytic graphite obtained at megahertz optical modulation frequencies that lateral resolution of surface and subsurface variations in thermal properties can be achieved on nanometer scales.