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Technique for controlling the internal rotation of principal axes in the fabrication of birefringent fibers

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2 Author(s)
C. G. Askins ; US Naval Res. Lab., Washington, DC, USA ; M. J. Marrone

The fabrication of a polarization-maintaining fiber in which the internal rotation of the principal birefringent axes was monitored and controlled to a rate of less than 0.1°/cm is discussed. This represents an order of magnitude improvement over the lowest rotation rate observed in commercial fibers. The technique is based on a novel method of interpreting the backscattered power from a-side illuminated birefringent fiber to determine the internal orientation of the strain inducing axes

Published in:

Journal of Lightwave Technology  (Volume:6 ,  Issue: 9 )