Invited paperFourier-transform heterodyne spectroscopy of liquid and solid surfaces |
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| Authors: | Doo Soo Chung Ka Yee Lee Eric Mazur |
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| Affiliation: | (1) Department of Chemistry, Seoul National University, Seoul 151-742, Korea, KR;(2) Department of Chemical Engineering, University of California, Santa Barbara, CA 93106-5080, USA, US;(3) Gordon McKay Laboratory, Harvard University, Cambridge, Massachusetts 02138, USA, US |
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| Abstract: | Fourier-transform heterodyne spectroscopy is a simple but powerful technique to study narrow line shapes and small frequency shifts. We review the technique and its application to the study of hydrodynamic fluctuations. We introduce a simple scheme for obtaining the full spectrum of light scattered from liquid and solid surfaces. Using this scheme we obtained a spectral resolution of 200 Hz. Two applications of the technique, one involving the detection of counter-propagating capillary waves, the other measurement of the epitaxial crystal-growth speed of a crystalline silicon interface, are presented. Received: 21 August 1996 |
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| Keywords: | PACS:07.65 68.10 68.35 |
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