Measurement of light attenuation angular dependence in double clad wavelength shifting fiber Y11(200)MS

Measurements of attenuation in double clad WLS fiber Y11(200)MS[1] have been carried out using blue LED source and angular positioning of photo-detector. Data obtained for the external polar angle range up to 60 degree allowed to separate the bulk attenuation and reflection in-efficiencies for the f...

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Detalles Bibliográficos
Autores principales: Adamyan, F, Hakobyan, H, Simonyan, M
Lenguaje:eng
Publicado: 2004
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/729439
Descripción
Sumario:Measurements of attenuation in double clad WLS fiber Y11(200)MS[1] have been carried out using blue LED source and angular positioning of photo-detector. Data obtained for the external polar angle range up to 60 degree allowed to separate the bulk attenuation and reflection in-efficiencies for the fiber core and core-clad1 interface as well as for clad1 - clad2 one. The fibers of this type have been used for the optical instrumentation of Tile Hadron Calorimeter of ATLAS project [2].

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