Characteristics Of KRS-5 Fiber With Crystalline Cladding

M. Kimura; S. Kachi; K. Shiroyama

doi:10.1117/12.961098

12 May 1986 Characteristics Of KRS-5 Fiber With Crystalline Cladding

M. Kimura, S. Kachi, K. Shiroyama

Proceedings Volume 0618, Infrared Optical Materials and Fibers IV; (1986) https://doi.org/10.1117/12.961098
Event: O-E/LASE'86 Symposium, 1986, Los Angeles, CA, United States

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.

Citation Download Citation

M. Kimura, S. Kachi, and K. Shiroyama "Characteristics Of KRS-5 Fiber With Crystalline Cladding", Proc. SPIE 0618, Infrared Optical Materials and Fibers IV, (12 May 1986); https://doi.org/10.1117/12.961098

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