173809 ⎘
Light guides; Optical fibres with cladding comprising gratings; Refractive index modulation gratings, e.g. Bragg gratings characterised by enhanced photosensitivity characteristics of the fibre, e.g. hydrogen loading, heat treatment Photosensitivity profiles determining the grating structure, e.g. radial or longitudinal
OPTIMIZED OPTICAL FIBER FOR ENHANCED SCATTER IN DOWNHOLE ENVIRONMENTS
#2Optical fiber and optical fiber grating
#3OPTICAL FIBER, A FIBER LASER, A FIBER AMPLIFIER AND ARTICLES COMPRISING SUCH ELEMENTS
#4Fiber Bragg grating element
#5Optical fiber with tin doped core-cladding interface
#6Method for production of a tunable optical filter
#7Photosensitive optical waveguide