Polymer thin-film distributed feedback tunable lasers
- 23 June 2000
- journal article
- Published by IOP Publishing in Journal of Optics A: Pure and Applied Optics
- Vol. 2 (4) , 279-283
Abstract
We report on measurements of laser emission from poly-methylmethacrylate and poly-vinyl carbazole polymer films doped with rhodamine-6G, DCM and coumarin laser dyes in an optically pumped distributed feedback scheme. We obtain tunability on a broad spectral range for all samples. We show the impact of waveguiding in the polymer film on reducing the laser threshold. We also show that the number of laser modes increases with the polymer film thickness, following the guided mode dispersion.Keywords
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