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Applied Optics

Applied Optics


  • Vol. 40, Iss. 4 — Feb. 1, 2001
  • pp: 583–587

Hollow-glass waveguide delivery of an infrared free-electron laser for microsurgical applications

Jin H. Shen, James A. Harrington, Glenn S. Edwards, and Karen M. Joos  »View Author Affiliations

Applied Optics, Vol. 40, Issue 4, pp. 583-587 (2001)

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The purpose of this research is to deliver free-electron-laser (FEL) pulses for intraocular microsurgery. The FEL at Vanderbilt University is tunable from 1.8 to 10.8 µm. To deliver the FEL beam we used a metallic-coated hollow-glass waveguide of 530-µm inner diameter. A 20-gauge cannula with a miniature CaF2 window shielded the waveguide from water. Open-sky retinotomy was performed on cadaver eyes. The system delivered as much as 6 × 105 W of FEL peak power to the intraocular tissues without damage to the waveguide or to the surgical probe.

© 2001 Optical Society of America

OCIS Codes
(140.2600) Lasers and laser optics : Free-electron lasers (FELs)
(140.3600) Lasers and laser optics : Lasers, tunable
(170.1020) Medical optics and biotechnology : Ablation of tissue
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4470) Medical optics and biotechnology : Ophthalmology
(230.7370) Optical devices : Waveguides

Original Manuscript: June 1, 2000
Revised Manuscript: October 10, 2000
Published: February 1, 2001

Jin H. Shen, James A. Harrington, Glenn S. Edwards, and Karen M. Joos, "Hollow-glass waveguide delivery of an infrared free-electron laser for microsurgical applications," Appl. Opt. 40, 583-587 (2001)

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