Multimode And Single - Mode IR. Fiber Characterization

A. Bornstein; P. Bichman

doi:10.1117/12.951388

2 June 1989 Multimode And Single - Mode IR. Fiber Characterization

A. Bornstein, P. Bichman

Proceedings Volume 1048, Infrared Fiber Optics; (1989) https://doi.org/10.1117/12.951388
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Chalcogenide glass fibers, transparent in the mid IR region, will soon find a wide range of applications, including military uses such as thermal imaging, sensing and tracking and remote spectroscopy. We have developed chalcogenide glasses, optical fibers and bundles, and hollow-core fibers suitable for some of these applications. Herein we describe the As2Se3 chalcogenide fibers and bundles with glassy core and TFE cladding, with a fiber diameter of 30-1000 μm. The optical loss, measured by CO2 laser and FTIR spectrometer in the temperature range of -197° C to 100° C is less than 1 dB/m in the 3-5 μm range and less than 10 dB/m at 10.6 μm. At longer wavelengths the attenuation is much higher. The fibers maintain their transparency in the temperature range of -40° C to 70° C (military standard range).Optical properties of hollow-core, chalcogenide glass cladding fibers were examined. Preceded by a theoretical background, experimental results concluding far-field patterns and bending effects are described. Hollow-core fibers are found to guide only a small number of modes.

Citation Download Citation

A. Bornstein and P. Bichman "Multimode And Single - Mode IR. Fiber Characterization", Proc. SPIE 1048, Infrared Fiber Optics, (2 June 1989); https://doi.org/10.1117/12.951388

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