Enhanced photosensitivity in tin-codoped germanosilicate optical fibers
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چکیده
منابع مشابه
Photosensitivity in tin-doped silica optical fibres
Permanent gratings (refractive index modulation ~3x10 ) were written in tin-doped silica -4 optical fibres with low levels of SnO (~0.15 mol %). In Ge-doped silica, ~10 mol% GeO is 2 2 required to produce comparable photorefractivity under similar conditions. Photosensitivity in tin-doped silica optical fibres G. Brambilla, V. Pruneri, L. Reekie Optoelectronics Research Centre, Southampton Univ...
متن کاملUltrahigh-Temperature Regeneration of Long Period Gratings (LPGs) in Boron-Codoped Germanosilicate Optical Fibre
The regeneration of UV-written long period gratings (LPG) in boron-codoped germanosilicate "W" fibre is demonstrated and studied. They survive temperatures over 1000 °C. Compared with regenerated FBGs fabricated in the same type of fibre, the evolution curves of LPGs during regeneration and post-annealing reveal even more detail of glass relaxation. Piece-wise temperature dependence is observed...
متن کاملCavity-enhanced spectroscopy in optical fibers.
Cavity-enhanced methods have been extended to fiber optics by use of fiber Bragg gratings (FBGs) as reflectors. High-finesse fiber cavities were fabricated from FBGs made in both germanium/boron-co-doped photosensitive fiber and hydrogen-loaded Corning SMF-28 fiber. Optical losses in these cavities were determined from the measured Fabry-Perot transmission spectra and cavity ring-down spectrosc...
متن کاملIncreased solubility of molecular hydrogen in UV-exposed germanosilicate fibers.
Spectral properties of photoinduced fiber Bragg gratings written in germanosilicate fibers and subjected to hydrogen loading at a pressure of 150-170 MPa have been studied. It was observed, for the first time to our knowledge, that hydrogen dissolution in the glass network at such high pressures leads not only to a Bragg wavelength shift but also to a considerable alteration of the grating refl...
متن کاملStrong photosensitivity in tin-doped silica films - Electronics Letters
1 ALLNUTT, J.E., and HAIDARA, F.: 'Ku-band diurnal rain fade statistics from three, two-year, earth-space experiments in equatorial Africa'. Proc. URSI Commission F Open Symp. Climatic Parameters in Radiowave Propagation Prediction, Ottawa, Canada, 27-29 April 1998, pp. 159-162 2 ALLNUTT, J.E., and HAIDARA, F.: 'Ku-band fade duration data from three, two-year, earth-space experiments in equator...
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ژورنال
عنوان ژورنال: IEEE Photonics Technology Letters
سال: 1995
ISSN: 1041-1135,1941-0174
DOI: 10.1109/68.414699