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cw stimulated Brillouin gain spectroscopy of liquids

✍ Scribed by Krich Ratanaphruks; W. Tandy Grubbs; Richard A. MacPhail

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
649 KB
Volume
182
Category
Article
ISSN
0009-2614

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✦ Synopsis

We demonstrate the use of cw stimulated Brillouin gam (SBG) spectroscopy to measure high resolution Brillouin spectra of liquids. Results are reported for thirteen liquids at room temperature, all obtained in a polarized (VV) configuration with a scattering angle of 178'. The observed Brillouin frequencies compare favorably with those predicted on the basis of previous spontaneous Brillouin light scattering measurements. The narrow Brillouin bands of carbon disulfide (70 MHz half-width at halfmaximum) are easily resolved in the SBG experiment, and the sensitivity is sufficient to detect the Mountain mode in the SBG spectrum of carbon tetrachloride.

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