Hiroshi YOKOSUKA

Fujikura Ltd., Opto-Electronics Laboratory, 1440 Mutsuzaki, Sakura-shi, Chiba, 285 Japan

(Received June 28, 1996; Accepted September 12, 1996)

Photonic sensing technologies are an integral part of Remote Fiber Test Systems used for maintaining optical fiber networks. Optical components used for this purpose such as branching components, filters, switches,water sensors and fiber identifiers are overviewed.

Key words : remote fiber test systems, sensing, filters, couplers, optical waveguide, fiber switches, water sensor, fiber identifier