Jpn. J. Appl. Phys. 46 (2007) pp. 5181-5183 |Previous Article| |Next Article| |Table of Contents|
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Mechanically Tunable Microbend Optical Fiber Gratings Using Corrugated Rubber and Uniformly Arrayed Metal Wire
Division of Computer, Control and Electronic Communications Engineering, Korea Maritime University, 1 Dongsam-dong, Youngdo-gu, Busan 606-791, Korea
(Received February 22, 2007; accepted April 18, 2007; published online August 6, 2007)
Mechanically tunable microbend optical fiber gratings using a corrugated rubber plate and an arrayed metal wire are proposed. With the variation in grating length by the elongation and constriction of the rubber plate, which is controlled by a micrometer adjuster, the resonant wavelength is linearly shifted within a given wavelength range. While the variation in the grating length reaches 3.2 mm, the resonant wavelength in the C-band shifts to a longer wavelength as large as 50 nm. This method provides a simple, accurate, and cost-effective tuning function to devices based on mechanically formed long-period fiber gratings (MLPFGs).
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