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Applied Optics

Applied Optics


  • Vol. 44, Iss. 24 — Aug. 22, 2005
  • pp: 5024–5028

Thermal tuning of mechanically induced long-period fiber grating

Takashi Yokouchi, Yoshifumi Suzaki, Kiyoshi Nakagawa, Makoto Yamauchi, Masanori Kimura, Yasuo Mizutani, Susumu Kimura, and Seiki Ejima  »View Author Affiliations

Applied Optics, Vol. 44, Issue 24, pp. 5024-5028 (2005)

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We have developed a wideband tunable optical filter that uses a long-period fiber grating (LPFG) in which both resonance wavelength and its signal attenuation can be adjusted. We create the grating mechanically by pressing a spring coil to an optical fiber. We achieve continuous fine tuning of wavelength and attenuation by varying the temperature of the LPFG. The adjustable ranges of the LPFG are more than 200 nm in resonance wavelength and more than 10 dB in signal attenuation.

© 2005 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components
(120.2440) Instrumentation, measurement, and metrology : Filters

Original Manuscript: December 16, 2004
Revised Manuscript: March 3, 2005
Manuscript Accepted: March 25, 2005
Published: August 20, 2005

Takashi Yokouchi, Yoshifumi Suzaki, Kiyoshi Nakagawa, Makoto Yamauchi, Masanori Kimura, Yasuo Mizutani, Susumu Kimura, and Seiki Ejima, "Thermal tuning of mechanically induced long-period fiber grating," Appl. Opt. 44, 5024-5028 (2005)

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