14 August 2001 Pulsed laser to improve the surfaces and ion implanted waveguides on Nd:YAG and LiNbO3
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Proceedings Volume 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications; (2001) https://doi.org/10.1117/12.437081
Event: IV Iberoamerican Meeting of Optics and the VII Latin American Meeting of Optics, Lasers and Their Applications, 2001, Tandil, Argentina
Abstract
Pulsed laser annealing has been used to modify the surface and refractive index profiles of ion implanted waveguides formed in Nd:YAG and LiNbO3 crystals. Improvements are seen form reduced losses in the niobate guides and by enhanced index confinement in the garnet. In both materials these beneficial changes require optimization, since prolonged laser treatments can introduce surface damage int eh niobate, and/or emphasize the problems of surface instability on the garnet. Overall the improvements in waveguide loss and surface quality are encouraging. New data are discussed for loss and refractive index profiles, and compared with existing data on surface second harmonic generation quality analysis. Optimization of the laser pulse power, and the number of pulses are predicted to improve guide quality in both materials, particularly for guides implanted with more than one energy, which will increase the initial width of the guide boundary.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gloria Veronica Vazquez, Gloria Veronica Vazquez, Peter Townsend, Peter Townsend, } "Pulsed laser to improve the surfaces and ion implanted waveguides on Nd:YAG and LiNbO3", Proc. SPIE 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications, (14 August 2001); doi: 10.1117/12.437081; https://doi.org/10.1117/12.437081
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