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Optical Engineering

Study of wedge-adjusted Talbot interferometer for writing fiber gratings with variable inscribed Bragg wavelengths
Author(s): Chuan Li; Yimo Zhang; Xue-Fei Tian; Bingheng Xiong
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Paper Abstract

A wedge-adjusted Talbot interferometer is presented to change the inscribed Bragg wavelength of fiber Bragg gratings. In this system, the grating is written by UV interference stripes of 193 nm derived from two combined mirrors, where a phase mask is used as a beamsplitter of ±1 order of diffraction light. It is noteworthy that the adjustor transforms the shift of wedge into the rotation of the two mirrors, and alters the mutual angle of two interfering beams in writing fiber Bragg gratings.

Paper Details

Date Published: 1 December 2003
PDF: 4 pages
Opt. Eng. 42(12) doi: 10.1117/1.1621004
Published in: Optical Engineering Volume 42, Issue 12
Show Author Affiliations
Chuan Li, Kunming Univ. of Science and Technology (China)
Yimo Zhang, Tianjin Univ. (China)
Xue-Fei Tian, Tianjin Univ. (China)
Bingheng Xiong, Kunming Univ. of Science and Technology (China)

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