Azimuthally symmetric long-period fiber
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S. T. Oh; W. T. Han; U. C. Paek; Y. Chung
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Article
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2004
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John Wiley and Sons
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English
β 99 KB
## Abstract Two methods for fabrication of azimuthally symmetric longβperiod fiber gratings (LPFGs) with CO~2~ laser are presented. These methods are based on symmetric exposure of the laser beam and rotation of the fiber, and the measured polarizationβdependent losses (PDL) are comparable to that