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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 3 — Jan. 20, 2007
  • pp: 413–420

Laser–fiber system for ablation of intraocular tissue using the fourth harmonic of a pulsed Nd:YAG laser

Joseph Miller, Paula K. Yu, Stephen J. Cringle, and Dao-Yi Yu  »View Author Affiliations

Applied Optics, Vol. 46, Issue 3, pp. 413-420 (2007)

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Wereporton a method for delivering high fluence pulsed 266   nm laser radiation to the target tissue via an optical fiber. The fourth harmonic of a Nd:YAG laser was concentrated using a hollow glass taper and launched into an optical fiber. Fluences of up to 2 J / cm 2 were routinely output at the tapered optical fiber tip. The maximum fluence generated before failure of the optical fiber was between 3.5 and 8 J / cm 2 . Ablation of ocular tissue was demonstrated using fluences of 1.0 and 0.4 J / cm 2 . The delivery system has the potential for use in intraocular surgicalprocedures.

© 2007 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.1020) Medical optics and biotechnology : Ablation of tissue

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: May 8, 2006
Revised Manuscript: September 13, 2006
Manuscript Accepted: September 22, 2006
Published: January 4, 2007

Virtual Issues
Vol. 2, Iss. 2 Virtual Journal for Biomedical Optics

Joseph Miller, Paula K. Yu, Stephen J. Cringle, and Dao-Yi Yu, "Laser-fiber system for ablation of intraocular tissue using the fourth harmonic of a pulsed Nd:YAG laser," Appl. Opt. 46, 413-420 (2007)

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