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	Výzkum postupu pro přípravu aktivních a pasivních vlnovodů v polovodičích Prajzler, V. ; Špirková, J. ; Oswald, J. ; Peřina, Vratislav ; Hüttel, I. ; Hamáček, J. ; Machovič, V. ; Burian, Z. The magnetron sputtering was used to fabricate RE doped GaN layers fabricated by magnetron sputtering on various substrate using a gaseous mixture of nitrogen and argon as precursors. The doping of the GaN films with RE occurred simultaneously with the sputtering process when placing the metal RE pellets or RE powder onto the Ga2O3 target. The amount of the incorporated erbium increased with increasing weight of the RE pellets or RE powder. We observed photoluminescence emission at 1 550 nm due to the 4I13/2 → 4I15/2 transition under excitation at 488 nm and 980 nm. Detailed record
	Tuned semiconductor laser for the diagnostic of the channel waveguides Ondráček, František ; Skalský, Miroslav ; Čtyroký, Jiří In contribution is described new measuring set up with tuned semiconductor laser and there are given first results of spectral losses and group refractive index in various channel waveguides by using a resonator method. The waveguides were prepared in special glasses by ion exchanges method and in LiNbO.sub.3./sub. crystal by proton exchange and also by titan difusion. Experimental results have demonstrated accuracy and rate of this arangement. In conclusion we have shown the possibility of the next research. Detailed record
	Magnetron Sputtering in Microwave and Optical Technology Prajzler, V. ; Schröfel, J. ; Hüttel, I. ; Špirková, J. ; Machovič, V. ; Oswald, J. ; Studnička, V. ; Novotná, M. ; Peřina, Vratislav The paper describes the preparation and properties of gallium nitride layers with erbium content. Detailed record
	Ramanovská spektra galium nitridových vrstev dopovaných erbiem a připravených magnetronovým naprašováním Prajzler, V. ; Schröfel, J. ; Hüttel, I. ; Špirková, J. ; Machovič, V. ; Hamáček, J. ; Peřina, Vratislav The paper presents the influence of erbium ions content in gallium nitride layers on RAMAN spectra. Detailed record
	Uhlíkové planární vlnovody pro integrovanou optiku Prajzler, V. ; Hüttel, I. ; Špirková, J. ; Schröfel, J. ; Machovič, V. ; Gurovič, J. ; Peřina, Vratislav The paper describes the fabrication of carbon layers and their potential usage for integrated optics. Detailed record
	Galium-nitridové vrstvy dopované erbiem Prajzler, V. ; Hüttel, I. ; Špirková, J. ; Schröfel, J. ; Machovič, V. ; Peřina, Vratislav The paper describes the preparation and properties of gallium nitride layers with erbiu content. Detailed record

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