We have measured the Bragg wavelength shift of three gratings from -30/spl deg/C to +80/spl deg/C. The observed deviation from linearity is a quadratic function of temperature, arising from the non-linear thermo-optic coefficient of silica glass.
Departure from linearity of fibre Bragg grating temperature coefficients
01.01.2002
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Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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