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Proceedings Paper

Intensive two-photon absorption in nonether polyphenylquinoxaline (PPQ) conjugated polymeric film
Author(s): Jianhua Liu; Heyuan Zhu; Yimei Hu; Diechi Sun; Fuming Li; Meng Sun
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Paper Abstract

Two photon absorption (TPA) with the TPA coefficient (beta) equals 0.59 cm/MW was obtained for polyphenylquinoxaline film by using Z-scan technique at 532 nm wavelength of a passively mode-locked Nd:YAG laser. This was, to our knowledge, the largest ultrafast TPA in conjugated polymers ever reported. And it was shown that the corresponding imaginary part of the third order optical susceptibility (chi) (3) shared an equivalent importance with the real part. The resultant value of (chi) (3), 2.4 X 10-10 esu, was in a good agreement with the reported value.

Paper Details

Date Published: 19 May 2000
PDF: 8 pages
Proc. SPIE 3939, Organic Photonic Materials and Devices II, (19 May 2000); doi: 10.1117/12.386383
Show Author Affiliations
Jianhua Liu, Fudan Univ. (China)
Heyuan Zhu, Fudan Univ. (China)
Yimei Hu, Fudan Univ. (China)
Diechi Sun, Fudan Univ. (China)
Fuming Li, Fudan Univ. (China)
Meng Sun, Fudan Univ. (China)

Published in SPIE Proceedings Vol. 3939:
Organic Photonic Materials and Devices II
Donal D. C. Bradley; Bernard Kippelen, Editor(s)

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