Design of micro-second pulsed laser mode for ophthalmological CW Self-Raman laser

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

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

1 Citation (Scopus)

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.

Original languageEnglish
Title of host publicationProceedings of SPIE
Subtitle of host publicationSolid State Lasers XX : Technology and Devices
EditorsW. Andrew Clarkson, Norman Hodgson, Ramesh Shori
Place of PublicationBellingham, WA
PublisherSPIE
Pages1-12
Number of pages12
ISBN (Print)9780819484499
DOIs
Publication statusPublished - 2011
Externally publishedYes
EventSolid State Lasers XX: Technology and Devices - San Francisco, CA, United States
Duration: 23 Jan 201127 Jan 2011

Publication series

NameProceedings of SPIE
Volume7912
ISSN (Electronic)0277-786X

Other

OtherSolid State Lasers XX: Technology and Devices
CountryUnited States
CitySan Francisco, CA
Period23/01/1127/01/11

Keywords

  • fast pulse
  • laser power control system
  • Self-Raman laser
  • micro-second pulsed laser
  • yellow laser
  • retinal treatment

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