Presentation 2003/5/19
Z-scan Evaluation of the Third-order Nonlinear-Optical Effects of Organic Single Crystals
Tomo IWAMURA, Tatsuya AIHARA, Shinsuke UMEGAKI,
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Abstract(in English) The large third-order optical nonlinearity can be expected from the organic single crystal of DAST, which indicates the large second-order optical nonlinearity. We measured its nonlinear refractive-indices and nonlinear-absorption coefficients by the Z-scan method. Although high-repetition-rate optical pulses caused local heating in DAST, electronic nonlinearities could be evaluated by utilizing difference between the electronic response-time and the thermal one. The theoretical wavelength-dispersion of the real part of the third-order nonlinear-optical susceptibility χ^<(3)> predicted from the two-level model agreed well with the experimental one in the wavelength range of 800-900 nm.
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Keyword(in English) Third-order Nonlinear-Optical Effects / DAST / Z-scan / Wavelength Dispersion
Paper # OME2003-18
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Committee OME
Conference Date 2003/5/19(1days)
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Registration To Organic Material Electronics (OME)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Z-scan Evaluation of the Third-order Nonlinear-Optical Effects of Organic Single Crystals
Sub Title (in English)
Keyword(1) Third-order Nonlinear-Optical Effects
Keyword(2) DAST
Keyword(3) Z-scan
Keyword(4) Wavelength Dispersion
1st Author's Name Tomo IWAMURA
1st Author's Affiliation Faculty of Sci. and Technol., Keio University()
2nd Author's Name Tatsuya AIHARA
2nd Author's Affiliation Faculty of Sci. and Technol., Keio University
3rd Author's Name Shinsuke UMEGAKI
3rd Author's Affiliation Faculty of Sci. and Technol., Keio University
Date 2003/5/19
Paper # OME2003-18
Volume (vol) vol.103
Number (no) 84
Page pp.pp.-
#Pages 6
Date of Issue