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Optics Letters

Optics Letters


  • Vol. 21, Iss. 19 — Oct. 1, 1996
  • pp: 1603–1605

Understanding bichromatic emission from scattering gain media

R. M. Balachandran and N. M. Lawandy  »View Author Affiliations

Optics Letters, Vol. 21, Issue 19, pp. 1603-1605 (1996)

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Intense optical pumping of solutions of high-gain laser dyes and TiO2 nanoscatterers in methanol is found to result in narrow-linewidth bichromatic emission. Experimental studies of the long-wavelength emission peak show that weak pumping of the scattering gain medium by the primary lasing emission results in a random system that lases at longer wavelengths. Measurements with other dyes show that the bichromatic emission effect is very general.

© 1996 Optical Society of America

Original Manuscript: April 24, 1996
Published: October 1, 1996

R. M. Balachandran and N. M. Lawandy, "Understanding bichromatic emission from scattering gain media," Opt. Lett. 21, 1603-1605 (1996)

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