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Optics Letters

Optics Letters


  • Vol. 24, Iss. 24 — Dec. 15, 1999
  • pp: 1793–1795

Frequency-upconverted organic crystal

Lijuan Zhao, Jing Jun Xu, Guangyin Zhang, Xianhe Bu, and Mitsuhiko Shionoya  »View Author Affiliations

Optics Letters, Vol. 24, Issue 24, pp. 1793-1795 (1999)

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The fluorescent characteristics of Troger’s base have been investigated experimentally. A one-photon-induced fluorescent spectrum was observed, and the peak wavelength was at 337 nm with a full width at half-maximum of ~85nm . The violet radiation of the Troger’s base crystal could result from the π* –π transition of the benzenoid π bond. Two-photon-pumped frequency-upconverted fluorescence was obtained, which is a wideband emission with the main peak wavelength at 337 nm and a subordinate peak. Donor groups and acceptor groups of electrons in the aromatic rings strengthen the two-photon-pumped frequency-upconverted fluorescence.

© 1999 Optical Society of America

OCIS Codes
(160.4890) Materials : Organic materials
(190.7220) Nonlinear optics : Upconversion
(260.2510) Physical optics : Fluorescence
(300.2530) Spectroscopy : Fluorescence, laser-induced

Lijuan Zhao, Jing Jun Xu, Guangyin Zhang, Xianhe Bu, and Mitsuhiko Shionoya, "Frequency-upconverted organic crystal," Opt. Lett. 24, 1793-1795 (1999)

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