Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 21, Issue 9-12, Pages 657-659Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2009.2016217
Keywords
Apodized grating; CO2 laser; grating fabrication; long-period fiber grating (LPFG); phase-shifted grating
Funding
- University of Electronic Science and Technology of China (UESTC)
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We apply a CO2-laser writing method to the fabrication of sophisticated long-period fiber grating (LPFG) filters. The method allows the position of the writing beam to be computer-programmed to produce the required grating profile without using any mask. We demonstrate the flexibility and the controllability of the method with a number of apodized phase-shifted LPFGs written in a germanium-boron codoped fiber.
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