Optical properties of silver-halide core/clad IR fibers

Shaul Shalem; Alla German; Abraham Katzir

doi:10.1117/12.229185

3 January 1995 Optical properties of silver-halide core/clad IR fibers

Shaul Shalem, Alla German, Abraham Katzir

Proceedings Volume 2631, Medical and Fiber Optic Sensors and Delivery Systems; (1995) https://doi.org/10.1117/12.229185
Event: BiOS Europe '95, 1995, Barcelona, Spain

Abstract

Optical fibers with low transmission losses are very useful in medical endoscopic laser surgery. In the past we developed unclad silver halide IR fibers for the transmission of carbon dioxide laser energy. We have recently developed core/clad polycrystalline silver halide optical fibers with a loss of roughly 0.3 dB/m at 10.6 micrometers. Such fibers, with a core diameter 0.35 - 0.6 mm and length of 1 to 2 meters are capable of continuously delivering output power densities as high as 14 KW/cm². We have studied the transmission properties of these fibers for different launching conditions such as the acceptance angle at the input end and the near and far field distributions at the output end. We have also investigated the effects of bending on the optical transmission. We show that by properly designing the core/clad structure we obtain significant improvements with respect to unclad IR fibers.

Citation Download Citation

Shaul Shalem, Alla German, and Abraham Katzir "Optical properties of silver-halide core/clad IR fibers", Proc. SPIE 2631, Medical and Fiber Optic Sensors and Delivery Systems, (3 January 1995); https://doi.org/10.1117/12.229185

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