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Tapered optical fibers
Martan, Tomáš ; Kaňka, Jiří ; Podrazký, Ondřej ; Kašík, Ivan ; Matějec, Vlastimil
A paper is focused on a design and manufacturing microstructure optical fibers with a high nonlinear coefficient, which was reached by using a nonlinear glass and tapering a microstructure optical fiber section. In designed highly nonlinear fiber taper, supercontinum generation was simulated. Designed tapered microstructure optical fiber was manufactured with using constructed tapering apparatus. The tapering apparatus was also employed for producing fiber tips, as probes for pH measurement.
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Zařízení pro výrobu kónicky zúžených optických vláken
Martan, Tomáš ; Novotný, K. ; Honzátko, Pavel ; Kaňka, Jiří
The paper deals with technology of manufacturing fiber tapers that are made by heating and stretching a standard optical fiber (e.g. SMF, PCS or MOF) in a heat source. For fabrication of the fiber tapers have been designed and assembled the apparatus that is propelled with motors and controlled by a PC and other electronic equipments. Manufactured tapered optical fibers can be used e.g. in nonlinear optics, for various types of fiber evanescence chemical sensors and holography. 482
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Microstructure optical fibres
Kaňka, Jiří ; Honzátko, Pavel ; Matějec, Vlastimil ; Kašík, Ivan ; Martan, Tomáš
A review of microstructure optical fibers, their use and methods of preparation is presented. Two classes of microstructure optical fibers in accordance with wave guiding mechanism are introduced. Unique dispersion properties and their structure dependence are discussed. Highly nonliner fibers, large mode area fibers and highly birefringent fibers are reported. Finally, the research carried out IREE Prague is summarized.
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