Polymeric solid state dye lasers: new rhodamine 6G copolymers and terpolymers

Angel Costela; Inmaculada Garcia-Moreno; Juan Manuel Figuera; Francisco Amat-Guerri; Roberto Sastre

doi:10.1117/12.236164

25 March 1996 Polymeric solid state dye lasers: new rhodamine 6G copolymers and terpolymers

Angel Costela, Inmaculada Garcia-Moreno, Juan Manuel Figuera, Francisco Amat-Guerri, Roberto Sastre

Proceedings Volume 2698, Solid State Lasers V; (1996) https://doi.org/10.1117/12.236164
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Two different monomers containing in the same molecule the Rhodamine 6G chromophore and an allyl or a methacrylic group were synthesized. These new monomers were copolymerized with mixtures of 2-hydroxyethyl methacrylate and methyl methacrylate. The resulting solid laser samples were transversely pumped by 337-nm pulses from a N₂ laser, and their lasing properties were compared with those of the corresponding model dyes dissolved in the same methacrylic copolymers. Lasing efficiencies similar to those found for Rhodamine 6G in ethanol solution under the same experimental conditions have been achieved with some of the compounds. In addition, important increases in photostability have been obtained in some of the new terpolymers: lifetimes (number of pulses that produce an 80% drop in the laser output) in excess of 20,000 shots at 2 Hz and in excess of 9,000 shots at 15 Hz have been demonstrated in static samples. By using a rotating mechanism to move the laser rod in a continuous way the laser output remains stable with no sign of degradation after 500,000 shots at 2 Hz repetition rate.

Citation Download Citation

Angel Costela, Inmaculada Garcia-Moreno, Juan Manuel Figuera, Francisco Amat-Guerri, and Roberto Sastre "Polymeric solid state dye lasers: new rhodamine 6G copolymers and terpolymers", Proc. SPIE 2698, Solid State Lasers V, (25 March 1996); https://doi.org/10.1117/12.236164

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