Proceedings PaperCrystalline and hollow infrared fiber optics
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Crystalline IR fibers and hollow waveguides are increasingly being used in infrared sensor and laser power delivery applications. Polycrystalline fibers, made from ductile materials such as the silver halides, offer the advantage of low loss at 10.6 micrometers , wide infrared transparency, and good flexibility. In contrast to these solid-core fibers, hollow waveguides made from metallic or dielectric materials deliver CO2 laser powers in excess of 1000 W, have no end reflection losses, and are usually quite rugged. Currently, IR fibers are finding exciting new uses in remote spectroscopy of chemical species and for the delivery of laser power for surgical applications.