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Microbend fiber-optic phase shifter

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4 Author(s)
Czaplak, D. ; Sachs Freeman Associates, Landover, MD, USA ; Rashleigh, S.C. ; Taylor, H.F. ; Weller, J.F.

The use of spatially periodic microbend transducers to produce phase shift in single-mode fibers has been investigaed. Phase shift of 32\deg /\mu m2of transducer displacement per centimeter of trans- 3.7\deg /\mu m2. cm for a 1023-μm peroid. Phase shifts as large as 560°/cm of transducer length were obtained with the shorter period transducer. These results are compared with predictions based on coupled-mode theory.

Published in:

Lightwave Technology, Journal of  (Volume:4 ,  Issue: 1 )