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Applied Optics

Applied Optics


  • Vol. 33, Iss. 12 — Apr. 20, 1994
  • pp: 2266–2272

Proton-transfer lasers from solid polymeric chains with covalently bound 2-(2′-hydroxyphenyl)benzimidazole groups

M. L. Ferrer, A. U. Acuñna, F. Amat-Guerri, A. Costela, J. M. Figuera, F. Florido, and R. Sastre  »View Author Affiliations

Applied Optics, Vol. 33, Issue 12, pp. 2266-2272 (1994)

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The lasing properties of a number of newly synthesized 2-(2′-hydroxyphenyl)benzimidazole derivatives copolymerized with methyl methacrylate or dissolved in poly(methyl methacrylate) and pumped with an N2 laser are reported. The radiation mechanism is based on the intramolecular proton-transfer in the electronic excited state. Both the lasing efficiency and the dye photostability increase significantly when the proton-transfer chromophore is covalently bound to the polymeric chain, and energy-conversion efficiencies comparable to those obtained in liquid solution are demonstrated.

© 1994 Optical Society of America

Original Manuscript: April 21, 1993
Published: April 20, 1994

M. L. Ferrer, A. U. Acuñna, F. Amat-Guerri, A. Costela, J. M. Figuera, F. Florido, and R. Sastre, "Proton-transfer lasers from solid polymeric chains with covalently bound 2-(2′-hydroxyphenyl)benzimidazole groups," Appl. Opt. 33, 2266-2272 (1994)

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