National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Mřížky s dlouhou periodou v jednovidových optických vláknech zhotovené pomocí CO.sub.2./sub. laseru
Todorov, Filip ; Dunovský, J. ; Kolařík, L. ; Císařovský, P. ; Chomát, Miroslav ; Berková, Daniela ; Matějec, Vlastimil ; Kašík, Ivan
The inscription of LPGs with a period of 0.17 up to 0.98mm with a focused CO.sub.2./sub. laser beam into an experimental non-commercial optical fiber under a variety of conditions is reported. The reproducibility of the LPG’s inscription process and an experiment with multiple inscription of LPGs are presented.
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
Diagnostic fluorometr with acoustical warning system
Stádník, Bohumil ; Javorský, Stanislav ; Gregora, Ivo
The construction and design parameters of the photodynamic fluorometer are dealt with. This fluorometer is determined for the medicine research of cancerous and precancerous tissues of the hollow human organs as the ureter, colon, esophagus, and etc. The warning acoustical signaling system is included in the apparatus.

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