Optical Properties Of Silver Halide Infrared Transmitting Fibers

A. Satar; F. Moser; S. Saban; D. Weiss; A. Katzir

doi:10.1117/12.961097

12 May 1986 Optical Properties Of Silver Halide Infrared Transmitting Fibers

A. Satar, F. Moser, S. Saban, D. Weiss, A. Katzir

Proceedings Volume 0618, Infrared Optical Materials and Fibers IV; (1986) https://doi.org/10.1117/12.961097
Event: O-E/LASE'86 Symposium, 1986, Los Angeles, CA, United States

Abstract

Silver halide crystals of composition AgC1_0.95Br._0.05were extruded to form infrared transmitting fibers of 0.9 mm diameter and 1.5 meters in length. Microscopic examination reveals an initial fine grain structure with a grain size of the order of 1 pm. Thermal treatment at 200°C following extrusion results in rapid grain growth. Infrared spectral transmission measurements of the fibers show absorption features at 3-3.2 μm, 6.1 μm and 12-13 μm attributed to water and bands at 6.8 and 7.1 pm attributed to COI molecules. These features are superimposed on a scatter loss which has a λ^-2 dependence. Transmission measurements at 10.6 μm with a CO₂ laser show a linear dependence of power output on power input for levels from 1 to 20 watts incident on the fiber face. For a variety of power input geometries, the power output distribution was independent of the input conditions.

Citation Download Citation

A. Satar, F. Moser, S. Saban, D. Weiss, and A. Katzir "Optical Properties Of Silver Halide Infrared Transmitting Fibers", Proc. SPIE 0618, Infrared Optical Materials and Fibers IV, (12 May 1986); https://doi.org/10.1117/12.961097

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