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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 18, Iss. 12 — Dec. 1, 2001
  • pp: 1841–1845

Eight-position substitution effects on laser action of the 1,3,5,7-tetramethyl-2,6-diethyl pyrromethene-BF2 complexes

Feng Liang, Heping Zeng, Zhenrong Sun, Yizhong Yuan, Zuguang Yao, and Zhizhan Xu  »View Author Affiliations

JOSA B, Vol. 18, Issue 12, pp. 1841-1845 (2001)

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We measured laser-action properties of some novel eight-position substituted 1,3,5,7-tetramethyl-2,6-diethyl pyrromethene-BF2 complexes in a Littman-type cavity pumped by the second harmonic of a Q-switched Nd:YAG laser. The substitution effects were investigated by comparing the spectroscopic and laser-action properties of various eight-position substituted complexes, such as absorption, excitation, and fluorescence emission, and triplet–triplet absorption spectra, dye-laser wavelength-tuning spectra, and output-pulse energy versus the pump-laser energy. The results showed that 1,3,5,7-tetramethyl-2,6-diethyl pyrromethene-BF2 complexes with phenyl, p-methoxyphenyl, and p-fluorophenyl substituted at the eight-position outperformed the commercially available benchmark laser dye Rhodamine 6G (Rh6G) in fluorescence quantum yields, laser efficiency, and laser wavelength-tuning range.

© 2001 Optical Society of America

OCIS Codes
(140.2050) Lasers and laser optics : Dye lasers
(160.3380) Materials : Laser materials
(160.4760) Materials : Optical properties
(160.4890) Materials : Organic materials

Feng Liang, Heping Zeng, Zhenrong Sun, Yizhong Yuan, Zuguang Yao, and Zhizhan Xu, "Eight-position substitution effects on laser action of the 1,3,5,7-tetramethyl-2,6-diethyl pyrromethene-BF2 complexes," J. Opt. Soc. Am. B 18, 1841-1845 (2001)

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