Fabrication of high quality, ultra-long fiber Bragg gratings: up to 2 million periods in phase | Zendy

Mathieu Gagné | Zendy; Sébastien Loranger | Zendy; Jérôme Lapointe | Zendy; Raman Kashyap | Zendy

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Fabrication of high quality, ultra-long fiber Bragg gratings: up to 2 million periods in phase

Author(s) -

Mathieu Gagné,

Sébastien Loranger,

Jérôme Lapointe,

Raman Kashyap

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.000387

Subject(s) - optics , fiber bragg grating , materials science , interferometry , fabrication , reflectometry , optical fiber , phase modulation , long period fiber grating , bandwidth (computing) , phosfos , fiber optic sensor , optoelectronics , plastic optical fiber , phase noise , physics , telecommunications , computer science , medicine , time domain , alternative medicine , pathology , computer vision

The fabrication and characterization of high quality ultra-long (up to 1m) fiber Bragg gratings (FBGs) is reported. A moving phase mask and an electro-optic phase-modulation (EOPM) based interferometer are used with a high precision 1-meter long translation stage and compared. A novel interferometer position feedback scheme to simplify the fabrication process is proposed and analyzed. The ultra-long uniform FBGs show near perfect characteristics of a few picometers bandwidth, symmetrical, near theory-matching group-delay and transmission spectra. Grating characterization using optical backscattering reflectometry and chirped FBGs are also demonstrated. Limitations of the schemes are discussed.

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