Optical Fibre Switch

S Markatos; S Ayres; D Kreit; A Kerr; R C Youngquist; I P Giles

doi:10.1117/12.941137

14 October 1987 Optical Fibre Switch

S Markatos, S Ayres, D Kreit, A Kerr, R C Youngquist, I P Giles

Proceedings Volume 0798, Fiber Optic Sensors II; (1987) https://doi.org/10.1117/12.941137
Event: Fourth International Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, The Hague, Netherlands

Abstract

The design construction and operation of a thermally controlled optical fibre switch, based upon the lap/polish technique, is described in this paper. The lap/polish method allows access to the evanescent field in an optical fibre and coupling between two fibres can be controlled from zero to total power transfer by changing the refractive index of the oil in the coupling region. Such refractive index changes can be induced thermally by directly heating the matching oil at the interaction area, with forming heating elements close to the fibre core. Power coupling is then proportional to the current supplied to the electrodes. Results are presented showing the frequency response of tlio device.

Citation Download Citation

S Markatos, S Ayres, D Kreit, A Kerr, R C Youngquist, and I P Giles "Optical Fibre Switch", Proc. SPIE 0798, Fiber Optic Sensors II, (14 October 1987); https://doi.org/10.1117/12.941137

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