Abstract
The macro-bending based fiber identification technique is widely used to
identify optical fibers at the worksite. Bending-loss insensitive fibers
have been receiving increasing attention, however it is difficult to apply
the macro-bending based fiber identification technique to these fibers. In
this paper, we propose a new fiber identification technique based on a
mechanically induced long-period grating (LPG), and show that the proposed
technique can be utilized for a hole-assisted fiber with an extremely low
bending loss. We also propose combining the chirped LPG technique with our
fiber identification method to simultaneously specify fibers with different
structures.
© 2010 IEEE
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