CO2 laser writing of long-period fiber grating in photonic crystal fiber under 
tension

Lee, H. W.; Chiang, K. S.

doi:10.1364/OE.17.004533

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CO2 laser writing of long-period fiber grating in photonic crystal fiber under tension

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Lee, H. W.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Lee, H. W., & Chiang, K. S. (2009). CO2 laser writing of long-period fiber grating in photonic crystal fiber under tension. OPTICS EXPRESS, 17(6), 4533-4539. doi:10.1364/OE.17.004533.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6C03-0

Abstract

We demonstrate that the efficiency of CO2 laser writing of longperiod fiber gratings in a solid-core photonic crystal fiber (PCF) can be enhanced greatly by applying tension to the fiber during the writing process through the mechanism of frozen-in viscoelasticity. Using this mechanism, we are able to write strong gratings in PCFs with a dosage of CO2 laser radiation low enough not to cause any significant fiber structure deformation. (C) 2009 Optical Society of America