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Proceedings Paper

Modeling distributed feedback GaAs-based lasers in dentistry
Author(s): Meng-Mu Shih
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Paper Abstract

Distributed-feedback gallium-arsenide-based lasers with metal-gratings can generate stable wavelength at 980nm for applications in dentistry. This model uses the periodic optical waveguide method to calculate the coupling coefficient, which is a key parameter of laser performance. This model shows how the optical, geometrical, and material parameters depending on each other and how they affect the coupling coefficients in the laser waveguides. Numerical results compare the coupling coefficients of 980 nm lasers with those of 810 nm lasers. The modeling processes, including results, discussions, and physical interpretations, help to design and analyze lasers for more clinical and research applications in dentistry.

Paper Details

Date Published: 14 February 2012
PDF: 6 pages
Proc. SPIE 8208, Lasers in Dentistry XVIII, 82080C (14 February 2012); doi: 10.1117/12.912317
Show Author Affiliations
Meng-Mu Shih, Univ. of Florida (United States)

Published in SPIE Proceedings Vol. 8208:
Lasers in Dentistry XVIII
Peter Rechmann; Daniel Fried, Editor(s)

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