Red-Green-Blue Laser Emissions from Dye-Doped Poly(Vinyl Alcohol) Films

Yap, Seong-Shan and Siew, Wee-Ong and Tou, Teck-Yong and Ng, Seik-Weng (2002) Red-Green-Blue Laser Emissions from Dye-Doped Poly(Vinyl Alcohol) Films. Applied Optics, 41 (9). pp. 1725-1728. ISSN 0003-6935

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Official URL: http://dx.doi.org/10.1364/AO.41.001725

Abstract

A microscope slide acting as a passive waveguide was coated by three separate poly(vinyl alcohol) films that were doped with Coumarin 460, Disodium Fluorescein, and Rhodamine 640 perchlorate. On collinear pumping by a nitrogen laser, these dyes furnished primary red-green-blue laser emissions that were collected and waveguided by the microscope slide but exited from both ends. Frosting the waveguide exit introduced light scattering at the glass-air interface and spatially overlaid the red-green-blue laser emissions that emerged as a uniform white-light beam. 0 2002 Optical Society of America.

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 25 Aug 2011 02:26
Last Modified: 25 Aug 2011 02:26
URI: http://shdl.mmu.edu.my/id/eprint/2642

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