Measurement of Ultrashort Laser Pulse Width in a Wide Spectrum Range Using Dimethyl Sulfoxide by Optical Kerr Effect Technique

We illustrate that applying the optical Kerr effect technique to dimethyl sulfoxide （DMSO） can determine the width of laser pulses in a wide spectrum range that is transparent. Different from many other simple molecular liquids, such CS2, and toluene, DMSO responds to both 130 fs 800 nm laser pulses...

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Bibliographic Details
Published inChinese physics letters Vol. 27; no. 5; pp. 128 - 130
Main Author 孔德贵 常青 叶红安 高亚臣 张立欣 王玉晓 张学如 杨昆 宋瑛林
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.05.2010
Subjects
Autocorrelation
Dimethyl sulfoxide
Electronics
Kerr effects
Lasers
Liquids
Spectra
Toluene
二甲基亚砜
光克尔效应
测量范围
激光脉冲宽度
飞秒激光脉冲
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ISSN0256-307X
1741-3540
DOI10.1088/0256-307X/27/5/054209

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Summary:We illustrate that applying the optical Kerr effect technique to dimethyl sulfoxide （DMSO） can determine the width of laser pulses in a wide spectrum range that is transparent. Different from many other simple molecular liquids, such CS2, and toluene, DMSO responds to both 130 fs 800 nm laser pulses and 248 fs 400 nm laser pulses with electronic motions only. Therefore, the observed signal as a function of time reflects the temporal distribution of the intensity. We verify our illustration by both the autocorrelation technique and spectra analysis.
Bibliography:11-1959/O4
TN213
TQ227.3
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ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/27/5/054209