Thermal tuning of mechanically induced long-period fiber grating | Zendy

Takashi Yokouchi | Zendy; Yoshifumi Suzaki | Zendy; Kiyoshi Nakagawa | Zendy; M. Yamauchi | Zendy; Masanori Kimura | Zendy; Yasuo Mizutani | Zendy; Susumu Kimura | Zendy; S. Ejima | Zendy

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Thermal tuning of mechanically induced long-period fiber grating

Author(s) -

Takashi Yokouchi,

Yoshifumi Suzaki,

Kiyoshi Nakagawa,

M. Yamauchi,

Masanori Kimura,

Yasuo Mizutani,

Susumu Kimura,

S. Ejima

Publication year - 2005

Publication title -

applied optics

Language(s) - English

Resource type - Journals

ISSN - 0003-6935

DOI - 10.1364/ao.44.005024

Subject(s) - long period fiber grating , materials science , optics , attenuation , grating , optical fiber , fiber bragg grating , wavelength , fiber optic sensor , diffraction grating , signal (programming language) , dispersion shifted fiber , optoelectronics , physics , computer science , programming language

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.

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