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Proceedings Paper

Characteristics Of KRS-5 Fiber With Crystalline Cladding
Author(s): M. Kimura; S. Kachi; K. Shiroyama
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Paper Abstract

KRS-5 polycrystalline fibers having a core-cladding structure have been fabricated by complex extrusion. The core material is KRS-5 (T1Br-TlI), and the cladding material is KRS-6 (T1Br-T1C1). Through thermal treatment after fiber fabrication, the refractive index profile is changed to the graded index (GI) type. The attenuation loss of these core-cladding GI fibers is 0.2 dB/m at about 10.6 μm (lauching NA = 0.05). Fibers with this core-cladding structure will enable wide applications using far infrared wavelength light, for example in CO2, laser processing machines and spectroscopy equipment, because of their ease in handling.

Paper Details

Date Published: 12 May 1986
PDF: 4 pages
Proc. SPIE 0618, Infrared Optical Materials and Fibers IV, (12 May 1986); doi: 10.1117/12.961098
Show Author Affiliations
M. Kimura, The Furukawa Electric Co., Ltd. (Japan)
S. Kachi, The Furukawa Electric Co., Ltd. (Japan)
K. Shiroyama, The Furukawa Electric Co., Ltd. (Japan)


Published in SPIE Proceedings Vol. 0618:
Infrared Optical Materials and Fibers IV
Paul Klocek, Editor(s)

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