Abstract
Amplified spontaneous emission and optical gain measurements from pyrromethene 567 �?? doped polymer waveguides and quasi-waveguides: erratum
Highlights
The development of tunable solid-state dye lasers, in which an organic dye is incorporated into a suitable solid matrix, is an area of active research [1,2]
Amplified spontaneous emission from planar waveguides and quasi-waveguides based on Pyrromethene 567-doped poly(methyl methacrylate) thin films deposited onto quartz and glass substrates is investigated
We present a systematic study on the properties of the amplified spontaneous emission (ASE) emission from thin films of poly(methyl methacrylate) (PMMA) doped with dye Pyrromethene 567 (PM567)
Summary
The development of tunable solid-state dye lasers, in which an organic dye is incorporated into a suitable solid matrix, is an area of active research [1,2]. No reports on the optical gain properties of PM dyes in waveguides have appeared, apart from a few studies dealing with the importance of dye host on absorption, losses and ASE emission of Pyrromethene 597-doped polymer thin films [28], or with some characteristics of the laser output from Pyrromethene 567-doped plastic waveguides with distributed feedback structures [11]. For proper waveguiding operation the refractive index of the dye-doped polymer film has to be higher than that of the substrate. This condition is fulfilled when the PMMA-based films are deposited onto quartz slabs. Our results seem to indicate a stronger self-mode-restriction capability in the quasi-waveguides as compared to the conventional total internal reflection waveguides
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