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Výroba mřížek s dlouhou periodou v optických vláknech pomocí záření CO.sub.2./sub. laserového paprsku
Císařovský, P. ; Dunovský, J. ; Kolařík, L. ; Todorov, Filip ; Chomát, Miroslav ; Berková, Daniela ; Vrbová, M. ; Jančárek, A.
Inscription of the LPGs by a focused CO.sub.2./sub. laser beam in step-index fibers is reported. The transmission spectra of the LPGs fabricated in optical fibers drawn at 1880.sup.o./sup.C and 1930.sup.o./sup.C. under several inscription conditions are shown. The results indicate strong dependence of the LPG spectra on the conditions of the fiber drawing process and of the LPG fabrication. The first results of the preparation of a new type of a graded-index fiber for the LPG fabrication are reported too.

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