✦ LIBER ✦

Transient vibrational grating scattering

✍ Scribed by D.P. Weitekamp; Koos Duppen; Douwe A. Wiersma

Publisher: Elsevier Science
Year: 1983
Tongue: English
Weight: 570 KB
Volume: 102
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(83)87380-1

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✦ Synopsis

A new method for measuring vibrational lifetimes in the solid state is demonstrated in a dilute mixed molecular crystal Using a picosecond light pulse at wr and simuJtaneous crossed pukes at r,+, a viirational population grating at wr -wa is prepared. The decay of this grating is followed by measuring at variable delay the Bragg-a@e diffraction of a probe pulse, resonant with an optical transition.

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