Pressure Dependence of Degenerate Four-Wave Mixing in SO2: Effect of the Thermal
Gratings
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Published:2000-01-01
Issue:4
Volume:18
Page:167-176
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ISSN:0278-6273
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Container-title:Laser Chemistry
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language:en
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Short-container-title:Laser Chemistry
Author:
Shi Shiming1,
Chen Deying1,
Zheng Qike1,
Person Maria1,
Qin Qizong1
Affiliation:
1. Institute of Laser Chemistry, Fudan University, Shanghai 200433, China
Abstract
The degenerate four wave mixing (DFWM) spectrum of the A(1A2)← X(1A1) and
B(1B1)← X(1A1) transitions of SO2 in the 299.5–305 nm region is presented. It has been
found that the DFWM signal intensities are proportional to the cube of laser intensity
and the square of SO2 pressure. The DFWM signal increases dramatically with the
pressure of N2 as a buffer gas. The enhancement of the DFWM signal can be mainly
attributed to the thermal grating contribution.
Publisher
Hindawi Limited
Subject
Spectroscopy,Biochemistry,Atomic and Molecular Physics, and Optics
Cited by
1 articles.
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