AN AUTOMATIC MACHINE USING THERMAL PULSES FOR FABRICATION OF PERIODIC STRUCTURES IN POLYMER OPTICAL FIBRES (POFs)

摘要

This paper describes an automatic machine for fabrication of periodic structures on perfluorinated GI-POFs. It is based on a "recorder head" (RH) comprising a ring of very thin NiCr wire that can be heated by current pulses with controlled amplitude and time-width. The POF is introduced through the RH. After a single or stream of thermal pulses, the RH is precisely repositioned to accomplish a new recording.