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Optimization of Cavity Length to Obtain Low Threshold Solid-state Dye Laser
Published online by Cambridge University Press: 07 July 2011
We have demonstrated and studied polymeric solid-state dye lasers (SSDLs) fabricated by three-dimensional (3D) polystyrene colloidal crystals and tert-butyl roadamine B (t-Bu RhB) doped Poly (methyl methacrylate) (PMMA) films with different film thickness. The sandwich-typed resonator cavities with different active layer thickness display single-mode lasing oscillations in the reflection bandgap of the colloidal crystals. The lasing thresholds could be optimized by changing the thickness of t-Bu RhB doped PMMA films, which is as low as 7.43 W/cm2. Adjusting active layer thickness would provide an opportunity to accelerate the development of fabricating polymeric SSDLs with low threshold.
- Research Article
- MRS Online Proceedings Library (OPL) , Volume 1365: Symposium TT – Laser-Material Interactions at Micro/Nanoscales , 2011 , mrss11-1365-tt09-04
- Copyright © Materials Research Society 2011