"1"^^ . . "1"^^ . "Speci\u00E1ln\u00ED skeln\u00E9 materi\u00E1ly pro fotonick\u00E9 aplikace"@cs . . "2008-01-01+01:00"^^ . . . "8"^^ . . . "8"^^ . . "Projekt se zab\u00FDv\u00E1 p\u0159\u00EDpravou a charakterizac\u00ED speci\u00E1ln\u00EDch skeln\u00FDch skel a skel dopovan\u00FDch vybran\u00FDmi ionty vz\u00E1cn\u00FDch zemin (RE), d\u00E1le se zab\u00FDv\u00E1 ta\u017Een\u00EDm optick\u00FDch vl\u00E1ken z t\u011Bchto skel pro p\u0159enos nebo emisi z\u00E1\u0159en\u00ED v infra\u010Derven\u00E9 oblasti spektra. C\u00EDle projektujsou n\u00E1sleduj\u00EDc\u00ED: (1) v\u00FDvoj nov\u00FDch metod p\u0159\u00EDpravy a \u010Di\u0161t\u011Bn\u00ED chalkogenidov\u00FDch skel a skel oxid\u016F t\u011B\u017Ek\u00FDch kov\u016F (HMO) pro z\u00EDsk\u00E1n\u00ED vysoce kvalitn\u00EDch preforem a ty\u010D\u00ED; (2) p\u0159\u00EDprava a zkoum\u00E1n\u00ED nov\u00FDch HMO skeln\u00FDch syst\u00E9m\u016F na b\u00E1zi Sb2O3 a Bi2O3 a chalkogenidov\u00FDch s vy\u0161\u0161\u00ED koncentrac\u00ED Te v porovn\u00E1n\u00ED se syst\u00E9my (nap\u0159. Ge20Se(80-x)Tex) d\u0159\u00EDve studovan\u00FDm v na\u0161\u00ED laborato\u0159i; (3) nalezen\u00ED vhodn\u00FDch kombinac\u00ED dopant\u016F RE a skeln\u00E9 matrice pro \u00FA\u010Dinnou 4f-4f luminescenci; (4) p\u0159\u00EDprava optick\u00FDch vl\u00E1ken a charakterizace t\u011Bchto vl\u00E1ken; (5) d\u016Fraz bude kladen i na v\u00FDvoj p\u0159\u00EDpravy kapil\u00E1rn\u00EDch a mikrostrukturn\u00EDch optick\u00FDch vl\u00E1ken z p\u0159ipravovan\u00FDch materi\u00E1l\u016F."@cs . "4011"^^ . . . "heavy metal oxide glasses; chalcogenide glasses; optical fibres; rare-earth ions; photoluminescence"@en . . . "The project is concerned with the preparation and characterisation of special glass systems, those doped with selected rare-earth (RE) elements and with drawing of optical fibres that effectively transmit or emit radiation in the infrared spectral range.The following subjects will be pursued: (1) Development of novel methods for synthesis and purification of chalcogenide and heavy metal oxide (HMO) systems to obtain high quality rods and performs; (2) Preparation and investigation of new vitreous HMO systems based on Sb2O3 or Bi2O3 and chalcogenide glasses with higher contents of Te as compared to systems (e.g. Ge20Se(80-x)Tex) previously studied in our laboratory; (3) Finding of suitable RE dopant - glass matrix combinations in view of photonics applications; (4) Fibre drawing technology and fibre characterization; (5) An attempt will also be done to develop approaches for the preparation of capillary and microstructure fibres from the prepared materials."@en . "0"^^ . . "2010-12-31+01:00"^^ . "Special glass materials for photonics applications"@en . "4011"^^ .