Search results for " point defects"

showing 4 items of 24 documents

Thermal bleaching of gamma-induced-defects in optical fibers

2012

International audience; Ge-doped and F-doped gamma-irradiated fibers with a maximum accumulated dose of 10 MGy were subjected to isochronal annealing treatments up to 750°C. The thermal treatment influence on the point defect generation and transformation were investigated through Radiation Induced Attenuation (RIA) changes in the visible and IR spectral domains. The thermal bleaching of gammainduced-defects depends on both temperature and composition of optical fibers.

radiationsilica fiber irradiation effects point defects thermal treatment optical measurement[PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics]silicasense organsoptical measurementthermal treatmentfiber

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In-situ observation of β-ray induced optical absorption in a-SiO2: radiation darkening and room temperature recovery

2008

silica diffusion annealing of point defects

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Inhomogeneous properties of defects in amorphous silica probed by time-resolved luminescence

2008

silica point defects

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Inhomogeinity of Oxygen deficient centers in silica probed by nanosecond time-resolved luminescence measurements

2008

silica point defects inhomogeinity

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