| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Measurement of Ultrashort Laser Pulse Width in a Wide Spectrum Range Using Dimethyl Sulfoxide by Optical Kerr Effect Technique |
KONG De-Gui1,2, CHANG Qing2, YE Hong-An2, GAO Ya-Chen2, ZHANG Li-Xin2, WANG Yu-Xiao1, ZHANG Xue-Ru1, YANG Kun1, SONG Ying-Lin1,3
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| 1Department of Physics, Harbin Institute of Technology, Harbin 150001 2College of Electronic Engineering, Heilongjiang University, Harbin 150080 3School of Physical Science and Technology, Suzhou University, Suzhou 215006 |
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| Cite this article: |
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KONG De-Gui, CHANG Qing, YE Hong-An et al 2010 Chin. Phys. Lett. 27 054209 |
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Abstract 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.
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| Keywords:
42.65.Re
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Received: 02 November 2009
Published: 23 April 2010
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| PACS: |
42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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