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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/1816

Title: Raman spectra of polymethyl methacrylate optical fibres excited by a 532 nm diode pumped solid state laser
Authors: Nampoori, V P N
Girijavallabhan, C P
Radhakrishnan, P
Thomas, K J
Sheeba, M
Keywords: Raman spectra
polymethyl methacrylate
optical fibres
solid state laser
polymer optical fibre
scattering cross section
gain coefficient
Issue Date: 27-Mar-2008
Publisher: Journal of Optics A: Pure and Applied Optics
Citation: International School of Photonics, Cochin University of Science and Technology
Abstract: Polymethyl methacrylate (PMMA) optical fibres are fabricated by a preform drawing process. The Raman spectra of PMMA fibres are recorded using a diode pumped solid state laser emitting at 532 nm and a CCD-spectrograph in the 400–3800 cm−1 range. The variation of the Raman intensity with the length of the optical fibre is studied. Investigations are carried out on the variation of FWHM of the Raman peak at 2957 cm−1 with the length of the optical fibre and pump power. The differential scattering cross section and gain coefficient of the Raman peak at 2957 cm−1 in PMMA are calculated in relation to that of toluene
URI: http://dyuthi.cusat.ac.in/purl/1816
Appears in Collections:Dr. V P N Nampoori

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