Silver Halide Fiber For Transmitting A CO2 Laser Beam

Ken-ichi Takahashi; Noriyuki Yoshida; Kazuhisa Yamauchi

doi:10.1117/12.968227

1 January 1987 Silver Halide Fiber For Transmitting A C_O2 Laser Beam

Ken-ichi Takahashi, Noriyuki Yoshida, Kazuhisa Yamauchi

Proceedings Volume 0843, Infrared Optical Materials and Fibers V; (1987) https://doi.org/10.1117/12.968227
Event: Cambridge Symposium on Fiber Optics and Integrated Optoelectronics, 1987, Cambridge, MA, United States

Abstract

The silver halide fiber for transmitting a CO₂ laser beam using the mixture crystal of silver bromide and silver chloride is described. The silver halide is purified by zone melting. The absorption coefficient of its preformed crystal measured by a CO₂ laser calorimeter is less than 1.0x10^-4 cm^-1 . The silver halide fibers whose diameters are 0.5 to 0.7mm are made by hot extrusion. The transmission loss of silver halide fiber is 0.07dB/m when measured by a CO₂ laser beam. The measured spectral transmission lgss due to scattering inside and on the surface of the fiber is nearly proportional to λ ^-2 where λ is the wavelength, and it is low in the infrared wavelength region, ranging from a few microns to over ten microns. Because of its excellent resistance to optical damage and bending as well as other characteristics important to practical application, silver halide fiber is suitable for use in CO₂ laser power transmission. It is also expected to he an optical waveguide in the field of infrared optic sensors.

Citation Download Citation

Ken-ichi Takahashi, Noriyuki Yoshida, and Kazuhisa Yamauchi "Silver Halide Fiber For Transmitting A C_O2 Laser Beam", Proc. SPIE 0843, Infrared Optical Materials and Fibers V, (1 January 1987); https://doi.org/10.1117/12.968227

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