Optical loss coefficient in plastic waveguides

K. Geetha; Pramod Gopinath; K. P. Unnikrishnan; S. Thomas Lee; C. P. G. Vallabhan; V. P. N. Nampoori; Periasamy Radhakrishnan

doi:10.1117/12.481251

28 August 2002 Optical loss coefficient in plastic waveguides

K. Geetha, Pramod Gopinath, K. P. Unnikrishnan, S. Thomas Lee, C. P. G. Vallabhan, V. P. N. Nampoori, Periasamy Radhakrishnan

Author Affiliations +

Proceedings Volume 4904, Optical Fiber and Planar Waveguide Technology II; (2002) https://doi.org/10.1117/12.481251
Event: Asia-Pacific Optical and Wireless Communications 2002, 2002, Shanghai, China

Abstract

We report the position dependent tuning of fluorescence emission from Rhodamine 6G doped plastic waveguide using side illumination technique . The transmitted fluorescence as a function of the distance from the point of illumination is measured by translating the waveguide horizontally across a monochromatic light source. This technique has proved to be a useful method for characterizing the light propagation properties of dye-doped waveguides. An important finding of the present studies is the nonlinear behavior of the loss coefficient as a function of propagation distance through the waveguide. It is also found that this type of nonlinear nature depends on the dye concentration and thickness of the waveguide.

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K. Geetha, Pramod Gopinath, K. P. Unnikrishnan, S. Thomas Lee, C. P. G. Vallabhan, V. P. N. Nampoori, and Periasamy Radhakrishnan "Optical loss coefficient in plastic waveguides", Proc. SPIE 4904, Optical Fiber and Planar Waveguide Technology II, (28 August 2002); https://doi.org/10.1117/12.481251

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KEYWORDS

Waveguides

Luminescence

Light wave propagation

Planar waveguides

Signal attenuation

Wave propagation

Absorption

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