LI Chuan, ZHANG Yi-Mo, TIAN Xue-Fei, LIU Tie-Gen, WU Sheng. Optical design for wedge-adjusted Talbot interferometer[J]. Editorial Office of Optics and Precision Engineering, 2003,(5): 453-456
LI Chuan, ZHANG Yi-Mo, TIAN Xue-Fei, LIU Tie-Gen, WU Sheng. Optical design for wedge-adjusted Talbot interferometer[J]. Editorial Office of Optics and Precision Engineering, 2003,(5): 453-456DOI:
which includes one phase mask and two UV-reflected mirrors
has been developed to change the process of writing fiber Bragg grating. The interference fringe period formed by the ?1 order diffractive beams is changed by adjusting the reflected angles of two mirrors
and the fiber placed in the tuned interference fringe can then be fabricated to the fiber Bragg grating with various inscribed Bragg wavelengths. The changing ratio of the inscribed Bragg wavelengths and the displacement ratio of the diamond bridge of interfering fringe can be defined by selecting the wedges with different tilt angles.
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references
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LI C, ZHANG Y M, TIAN X F,et al. Study of wedge-adjusted Talbot interferometer for writing fiber grating with different inscribed Bragg wavelength[J]. Optical Engineering (accepted)
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