A permanent index change of 0.0051% was induced in Sm+2/Sm+3 doped aluminosilicate fiber by irradiating 2W of multi-line output from an Ar ion laser. The photosensitivity was detected by measuring a shift in LP11 mode cutoff wavelength. Bleaching of a broad absorption band in the visible was also observed. The origin of the photosensitivity in the Sm doped optical fiber is the bleaching of Sm+2 ion absorption bands enhanced by multiphoton processes.
Photosensitivity studies of Sm+2/Sm+3doped aluminosilicate fiber
Fiber Optic Components and Optical Communication ; 1996 ; Beijing,China
Proc. SPIE ; 2893
1996-09-20
Conference paper
Electronic Resource
English
Photosensitivity studies of Sm^+^2/Sm^+^2 -doped aluminosilicate fiber [2893-538]
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