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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/1782

Title: Laser emission from transversely pumped dye-doped free-standing polymer film
Authors: Girijavallabhan, C P
Radhakrishnan, P
Nampoori, V P N
Geetha, K
Rajesh, M
Keywords: polymer film
laser emission
mode
waveguide
Issue Date: 13-Jan-2006
Publisher: Journal of Optics A: Pure and Applied Optics, Institute of Physics Publishing
Citation: International School of Photonics, Cochin University of Science and Technology
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/1782
Appears in Collections:Dr.C P Girijavallabhan

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