Abstract

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 2J/cm2 were routinely output at the tapered optical fiber tip. The maximum fluence generated before failure of the optical fiber was between 3.5 and 8J/cm2. Ablation of ocular tissue was demonstrated using fluences of 1.0 and 0.4J/cm2. The delivery system has the potential for use in intraocular surgicalprocedures.

© 2007 Optical Society of America

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