Laser emission from transversely pumped dye-doped free-standing polymer film

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Laser emission from transversely pumped dye-doped free-standing polymer film

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Title: Laser emission from transversely pumped dye-doped free-standing polymer film
Author: Radhakrishnan, P; V P N Nampoori; Girijavallabhan, C P; Geetha, K; Rajesh, M
Abstract: We present a compact solid-state laser based on leaky mode propagation from a dye-doped polymer free-standing film waveguide. The edge emitted spectrum clearly indicated the existence of periodic resonant modes. The reflections from the lateral faces of the free-standing film provided the optical feedback thus giving rise to a Fabry–Perot like optical cavity. This together with the guidance through the gain medium gave rise to intense narrow emission lines. For a pump energy of 1.82 mJ/pulse, an intense line with FWHM ∼0.4 nmwas observed at 576.5 nm.
URI: http://dyuthi.cusat.ac.in/purl/1783
Date: 2006-01-13


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