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Proceedings Paper

Design of micro-second pulsed laser mode for ophthalmological CW self-raman laser
Author(s): Alessandro D. Mota; Giuliano Rossi; Tiago A. Ortega; Glauco Z. Costal; Yuri C. Fontes; Fatima M. M. Yasuoka; Mario A. Stefani; Jarbas C. de Castro N.; Maria S. V. Paiva
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Paper Abstract

This work presents the mechanisms adopted for the design of micro-second pulsed laser mode for a CW Self-Raman laser cavity in 586nm and 4W output power. The new technique for retina disease treatment discharges laser pulses on the retina tissue, in laser sequences of 200 μs pulse duration at each 2ms. This operation mode requires the laser to discharge fast electric pulses, making the system control velocity of the electronic system cavity vital. The control procedures to keep the laser output power stable and the laser head behavior in micro-second pulse mode are presented.

Paper Details

Date Published: 4 March 2011
PDF: 12 pages
Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79121Y (4 March 2011); doi: 10.1117/12.873136
Show Author Affiliations
Alessandro D. Mota, Opto Eletrônica S.A. (Brazil)
Univ. de São Paulo (Brazil)
Giuliano Rossi, Opto Eletrônica S.A. (Brazil)
Tiago A. Ortega, Opto Eletrônica S.A. (Brazil)
Glauco Z. Costal, Opto Eletrônica S.A. (Brazil)
Yuri C. Fontes, Opto Eletrônica S.A. (Brazil)
Fatima M. M. Yasuoka, Opto Eletrônica S.A. (Brazil)
Mario A. Stefani, Opto Eletrônica S.A. (Brazil)
Jarbas C. de Castro N., Opto Eletrônica S.A. (Brazil)
Maria S. V. Paiva, Univ. de São Paulo (Brazil)


Published in SPIE Proceedings Vol. 7912:
Solid State Lasers XX: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh Shori, Editor(s)

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