Laser cables based on crystalline IR-fibers

Vjacheslav G. Artioushenko; Gentsho V. Danev; Vitali I. Konov; Alexander P. Kryukov; Vladimir P. Krupchitsky; E. G. Litvinenko; I. L. Pylnov; L. V. Zhukova

doi:10.1117/12.23765

1 September 1990 Laser cables based on crystalline IR-fibers

Vjacheslav G. Artioushenko, Gentsho V. Danev, Vitali I. Konov, Alexander P. Kryukov, Vladimir P. Krupchitsky, E. G. Litvinenko, I. L. Pylnov, L. V. Zhukova

Author Affiliations +

Proceedings Volume 1353, First International Conference on Lasers and Medicine; (1990) https://doi.org/10.1117/12.23765
Event: First International Conference on Lasers and Medicine, 1990, Tashkent, Uzbekistan

Abstract

Overview of the development in crystalline infrared fibers and is made for the practical use of the last results in applications of the cables based on these fibers. 1. INTRC)DUCTIOL Flexible cables for IR laser power delivery can be based on fluoride or chalcogenide glass fibers on crystalline fibers. The properties of crystalline fibers and hollow waveguides which are more suitable for power delivery of erbium CO- and C02-lasers are discussed from the point of view of their application in medicine. 2. CHOICE OF STARTING CRYSIALL The proper choice of starting crystals is based on the estimation of their minimum of intrinsic optical losses (Fig. 1) along with their fitness to fiber fabrication and a set of other substantial physical parameters (Table 1). Looking for non-fragile non-toxic and non-hygroscopic material we have to find the AgHal and A12O3 as the best candidates for crystalline fibers. Arid we have to note that the value of absorption in the purest samples is much higher than intrinsic level due to the presence of absorbing impurities. Hence the technology of more pure crystals needs in further development. The lowest absorption at 10. 6 im for AgHal were measured by laser calorimetry for the samples of crystals of solid solutions O. 25AgCl : O. 75AgBr (KRS-13) and O. 5OAgC1 : O. 5OAgBr - 6-1O cm (26 dB/m). 3. TECHNOLOGY OF FIBER FABRICATIQL There are some known

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Vjacheslav G. Artioushenko, Gentsho V. Danev, Vitali I. Konov, Alexander P. Kryukov, Vladimir P. Krupchitsky, E. G. Litvinenko, I. L. Pylnov, and L. V. Zhukova "Laser cables based on crystalline IR-fibers", Proc. SPIE 1353, First International Conference on Lasers and Medicine, (1 September 1990); https://doi.org/10.1117/12.23765

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KEYWORDS

Optical fibers

Crystals

Absorption

Laser crystals

Medicine

Chalcogenide glass

Solids

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