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Femtosecond Z-scan measurement of the third order nonlinear optical coefficient of CuPc thin film

Title
Femtosecond Z-scan measurement of the third order nonlinear optical coefficient of CuPc thin film
Authors
Chang H.-J.Shin M.-J.Wu J.W.
Ewha Authors
우정원
SCOPUS Author ID
우정원scopus
Issue Date
2001
Journal Title
Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
ISSN
1058-725XJCR Link
Citation
vol. 370, pp. 127 - 130
Indexed
SCOPUS WOS scopus
Abstract
The third order nonlinear refractive index and absorption coefficient of copper-phthalpcyanine (CuPc) thin film were measured by Z-scan method in ultrafast time regime. By changing pulse separation, we found that the nonlinear absorption behavior is different for the different pulse repetition rate. At 4MHz, the film exhibits RSA (reverse saturable absorption), while at 800kHz and 400kHz it shows SA (saturable absorption). Also the nonlinear refractive index is found to be different at 4MHz and other repetition rates. © 2001 Taylor and Francis, Inc.
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자연과학대학 > 물리학전공 > Journal papers
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