Competition between two lasing modes of sulforhodamine 640 in scattering suspension media

W. L. Sha; C.-H. Liu; R. R. Alfano

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1996),
paper CThG3

Competition between two lasing modes of sulforhodamine 640 in scattering suspension media

W. L. Sha, C.-H. Liu, and R. R. Alfano

Conference on Lasers and Electro-Optics 1996

Anaheim, California United States
2–7 June 1996
ISBN: 1-55752-443-2

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Dye and Excimer Lasers (CThG)

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W. L. Sha, C. -. Liu, and R. R. Alfano, "Competition between two lasing modes of sulforhodamine 640 in scattering suspension media," in Conference on Lasers and Electro-Optics, J. Bowers, D. Miller, D. Scifres, and A. Weiner, eds., Vol. 9 of OSA Technical Digest (Optica Publishing Group, 1996), paper CThG3.

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Abstract

We report on the dependence of the lasing thresholds of two competing modes at 620 nm and 650 nm for sulforhodamine 640 at 2.5 × 10⁻² M on density of scattering particles. The spectral measurements of the emission were performed in. backscattering arrangement. The sample solutions were pumped by 3-ns 532-nm laser pulses.

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