Physical Sciences Inc. Publications Abstract: Fluorescence and Lasing Properties of Benzo-Fused Pyrromethene Dyes in poly(methyl methacrylate) Solid Host Media

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Abstract: Fluorescence and Lasing Properties of Benzo-Fused Pyrromethene Dyes in poly(methyl methacrylate) Solid Host Media

Guilford Jones, II, Zhennian Huang, Satish Kumar, Dennis Pacheco, "Fluorescence and Lasing Properties of Benzo-Fused Pyrromethene Dyes in poly(methyl methacrylate) Solid Host Media," SPIE Proc. Solid State Lasers XI 4630 (2002).

This paper was published in SPIE Proc. Solid State Lasers XI, Vol. 4630 (2002) and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

Abstract

The photophysical and lasing properties of a benzo-fused pyrromethene dye (PM 700) that is capable of being pumped by a diode or dye laser at relatively long wavelengths (e.g. 660 nm) have been investigated for liquids and for a solid matrix, poly(methyl methacrylate) (PMMA). Fluorescence data, including quantum efficiency and lifetime, have been obtained. The dye emission, that is centered around 690 nm, shows good quantum efficiency (0.3-0.4), as compared to other NIR dyes such as oxazine 1 or rhodamine 800. Photostability in organic solvents as well as the survivability of the dye under conditions of radical polymerization have also been investigated.

Keywords

dye laser, pyrromethene dye, dye stability,

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