"3"^^ . "\u010Cerven\u00E1, Jarmila" . . "Vlastnosti vlnovodn\u00FDch struktur p\u0159ipraven\u00FDch metodou protonov\u00E9 v\u00FDm\u011Bny v r\u016Fzn\u00FDch \u0159ezech Er : LiNbO3 and (Er+Yb): LiNbO3 : elektrooptick\u00E9 koeficienty r(33)"@cs . "Features of APE waveguides in different Er : LiNbO3 and (Er+Yb): LiNbO3 cuts: electrooptical coefficient r(33)" . "Our contribution represents a systematic study of optical layers fabricated by the annealed proton exchange (APE) method in various cuts (X, Y, Z) of lithium niobate that was doped in bulk with erbium (500 ppm) and mixture of erbium and ytterbium in weight portion 1:9 (1000 ppm). Rutherford backscattering spectrometry (RBS), elastic recoil detection analysis (ERDA) and neutron depth profiling (NDP) methods have been used for monitoring a composition of fabricated optical layers, i.e. changes of the concentration of the rare earths (RE), hydrogen and lithium. We have used mode spectroscopy and a Mach-Zehnder interferometer to monitor the relevant properties, i.e. changes in the effective refractive index and the electrooptical coefficient r(33). The obtained results show that during the APE process, there is no loss of the rare earths from the substrate and that during the treatment of the as-exchanged samples the hydrogen concentration increases while the lithium concentration decre..."@en . "527;535" . . . "Features of APE waveguides in different Er : LiNbO3 and (Er+Yb): LiNbO3 cuts: electrooptical coefficient r(33)" . "607158" . . "Our contribution represents a systematic study of optical layers fabricated by the annealed proton exchange (APE) method in various cuts (X, Y, Z) of lithium niobate that was doped in bulk with erbium (500 ppm) and mixture of erbium and ytterbium in weight portion 1:9 (1000 ppm). Rutherford backscattering spectrometry (RBS), elastic recoil detection analysis (ERDA) and neutron depth profiling (NDP) methods have been used for monitoring a composition of fabricated optical layers, i.e. changes of the concentration of the rare earths (RE), hydrogen and lithium. We have used mode spectroscopy and a Mach-Zehnder interferometer to monitor the relevant properties, i.e. changes in the effective refractive index and the electrooptical coefficient r(33). The obtained results show that during the APE process, there is no loss of the rare earths from the substrate and that during the treatment of the as-exchanged samples the hydrogen concentration increases while the lithium concentration decre..." . "3" . . . "9"^^ . . . . . . "P(GA102/99/D017), P(GA203/02/0087), P(KSK1010104), Z(AV0Z1048901), Z(MSM 212300014), Z(MSM 223100002)" . . . "Vlastnosti vlnovodn\u00FDch struktur p\u0159ipraven\u00FDch metodou protonov\u00E9 v\u00FDm\u011Bny v r\u016Fzn\u00FDch \u0159ezech Er : LiNbO3 and (Er+Yb): LiNbO3 : elektrooptick\u00E9 koeficienty r(33)"@cs . "Nekvindov\u00E1, P." . "RIV/61389005:_____/03:00101830" . "\u0160p\u00EDrkov\u00E1, J." . . . . . "7"^^ . "\u010Capek, J." . "[3598234CAAE6]" . "Pe\u0159ina, Vratislav" . . "24" . "NL - Nizozemsko" . "0925-3467" . "Mackov\u00E1, Anna" . "Features of APE waveguides in different Er : LiNbO3 and (Er+Yb): LiNbO3 cuts: electrooptical coefficient r(33)"@en . "Optical Materials" . . "Schr\u00F6fel, J." . . "P\u0159\u00EDsp\u011Bvek obsahuje systematickou studii optick\u00FDch vrstev p\u0159ipraven\u00FDch protonovou v\u00FDm\u011Bnou v r\u016Fzn\u00FDch \u0159ezech niobi\u010Dnanu litn\u00E9ho, kter\u00FD byl dopov\u00E1n v cel\u00E9m objemu laserov\u011B aktivn\u00EDmi ionty Er3+ a Yb3+. Metody zp\u011Btn\u011B odra\u017Een\u00FDch iont\u016F (RBS) a dop\u0159edn\u011B vyra\u017Een\u00FDch iont\u016F (ERDA) byly pou\u017Eity pro stanovan\u00ED stechiometrie struktur, p\u0159edev\u0161\u00EDm hloubkov\u00FDch profil\u016F koncentrace dopant\u016F, a metoda ERDA pro hloubkov\u00E9 profilov\u00E1n\u00ED vod\u00EDku. Metoda z\u00E1chytu neutronu (NDP) byla pou\u017Eita pro stanoven\u00ED hloubkov\u00E9ho profilu lithia. Optick\u00E9 vlastnosti p\u0159ipraven\u00FDch struktur byly m\u011B\u0159eny Mach-Zehnder Interferometrem a na z\u00E1klad\u011B dat byly stanoveny elektrooptick\u00E9 koeficienty. V\u00FDsledky ukazuj\u00ED, \u017Ee b\u011Bhem procesu protonov\u00E9 v\u00FDm\u011Bny se koncentrace dopant\u016F nem\u011Bn\u00ED a s rostouc\u00EDm \u010Dasem protonov\u00E9 v\u00FDm\u011Bny roste koncentrace vod\u00EDku. Vlnovodn\u00E9 vlastnosti a slo\u017Een\u00ED vlnovodn\u00FDch struktur dopovan\u00FDch vz\u00E1cn\u00FDmi zeminami se v\u00FDznamn\u011B nezm\u011Bnily ve srovn\u00E1n\u00ED s vlnovodn\u00FDmi strukturami v nedopovan\u00E9m materi\u00E1lu. P\u0159\u00EDtomnost dopant\u016F vz\u00E1cn\u00FDch zemin sni\u017Euj..."@cs . . "RIV/61389005:_____/03:00101830!RIV/2005/GA0/A49005/N" . . . "lithium niobate;optical waveguides;annealed proton exchange"@en . "Features of APE waveguides in different Er : LiNbO3 and (Er+Yb): LiNbO3 cuts: electrooptical coefficient r(33)"@en .