Tilted bragg gratings in step-Index polymer optical fiber

Xuehao Hu; Chi Fung Jeff Pun; Hwa Yaw Tam; Patrice Mégret; Christophe Caucheteur

doi:10.1364/OL.39.006835

Tilted bragg gratings in step-Index polymer optical fiber

Xuehao Hu, Chi Fung Jeff Pun, Hwa Yaw Tam, Patrice Mégret, Christophe Caucheteur

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

53 Citations (Scopus)

Abstract

We report the first slightly tilted Bragg gratings photo-inscription in polymer optical fiber (POF). For this, we make use of trans-4-stilbenemethanol-doped photosensitive step-index poly(methyl methacrylate) (PMMA) POFs. Tilted fiber Bragg gratings (TFBGs) are inscribed in the near-infrared wavelength range using the scanning phase mask technique with a tilted phase mask in the plane perpendicular to the laser beam direction. The transmitted amplitude spectrum evolution of a 3° TFBG is analyzed as a function of the surrounding refractive index. A maximum sensitivity close to 13 nm/RIU (refractive index unit) is obtained in the range 1.42-1.49.

Original language	English
Pages (from-to)	6835-6838
Number of pages	4
Journal	Optics Letters
Volume	39
Issue number	24
DOIs	https://doi.org/10.1364/OL.39.006835
Publication status	Published - 1 Jan 2014

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.39.006835

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abstract = "We report the first slightly tilted Bragg gratings photo-inscription in polymer optical fiber (POF). For this, we make use of trans-4-stilbenemethanol-doped photosensitive step-index poly(methyl methacrylate) (PMMA) POFs. Tilted fiber Bragg gratings (TFBGs) are inscribed in the near-infrared wavelength range using the scanning phase mask technique with a tilted phase mask in the plane perpendicular to the laser beam direction. The transmitted amplitude spectrum evolution of a 3° TFBG is analyzed as a function of the surrounding refractive index. A maximum sensitivity close to 13 nm/RIU (refractive index unit) is obtained in the range 1.42-1.49.",

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AU - Caucheteur, Christophe

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AB - We report the first slightly tilted Bragg gratings photo-inscription in polymer optical fiber (POF). For this, we make use of trans-4-stilbenemethanol-doped photosensitive step-index poly(methyl methacrylate) (PMMA) POFs. Tilted fiber Bragg gratings (TFBGs) are inscribed in the near-infrared wavelength range using the scanning phase mask technique with a tilted phase mask in the plane perpendicular to the laser beam direction. The transmitted amplitude spectrum evolution of a 3° TFBG is analyzed as a function of the surrounding refractive index. A maximum sensitivity close to 13 nm/RIU (refractive index unit) is obtained in the range 1.42-1.49.

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Tilted bragg gratings in step-Index polymer optical fiber

Abstract

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