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Applied Optics

Applied Optics


  • Vol. 37, Iss. 24 — Aug. 20, 1998
  • pp: 5596–5599

High-Power As-S Glass Fiber Delivery Instrument for Pulse YAG:Er Laser Radiation

Vladislav A. Kamensky, Igor V. Scripachev, Genadi E. Snopatin, Alexander A. Pushkin, and Mikhael F. Churbanov  »View Author Affiliations

Applied Optics, Vol. 37, Issue 24, pp. 5596-5599 (1998)

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A 3-μm laser-generation delivery instrument that uses chalcogenide fibers with a unique damage threshold and conical radiation input has been developed for medical applications. A new purification and synthesis scheme has been elaborated that yields fibers with a heterophase inclusion content of less than 10<sup>4</sup> cm<sup>−3</sup>. In such fibers the damage threshold is 350 J/cm<sup>2</sup> at an average power density of 0.5 kW/cm<sup>2</sup> in a YAG:Er laser operating in the repetitive pulse free-running regime with a pulse duration of 350 ms. 1–3 × 10<sup>4</sup> laser pulses were transmitted at a repetition rate of 3 Hz and an average output power of 1 W under the condition of a 15% decrease in the output power.

© 1998 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(140.0140) Lasers and laser optics : Lasers and laser optics
(160.2290) Materials : Fiber materials
(350.5610) Other areas of optics : Radiation

Vladislav A. Kamensky, Igor V. Scripachev, Genadi E. Snopatin, Alexander A. Pushkin, and Mikhael F. Churbanov, "High-Power As-S Glass Fiber Delivery Instrument for Pulse YAG:Er Laser Radiation," Appl. Opt. 37, 5596-5599 (1998)

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