Measurement of phase-shift coefficient of piezoelectric fiber optic phase modulator

Luo Wen; Geng Chao; Li Xinyang

Volume 24 Issue 07

Jun. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(07): 1641-1644

xia liansheng, chen debiao, zhang huang, et al. Research on compact solid-state high voltage pulse forming line[J]. High Power Laser and Particle Beams, 2009, 21.

Citation:

Luo Wen, Geng Chao, Li Xinyang. Measurement of phase-shift coefficient of piezoelectric fiber optic phase modulator[J]. High Power Laser and Particle Beams, 2012, 24: 1641-1644.

xia liansheng, chen debiao, zhang huang, et al. Research on compact solid-state high voltage pulse forming line[J]. High Power Laser and Particle Beams, 2009, 21.

Citation:

Luo Wen, Geng Chao, Li Xinyang. Measurement of phase-shift coefficient of piezoelectric fiber optic phase modulator[J]. High Power Laser and Particle Beams, 2012, 24: 1641-1644.

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Measurement of phase-shift coefficient of piezoelectric fiber optic phase modulator

Luo Wen^{1,2,3
,
,},
Geng Chao^1,2,
Li Xinyang^1,2

1.
Institute of Optics and Electronics,Chinese Academy of Sciences,Chengdu 610209,China;
2.
Key Laboratory on Adaptive Optics,Chinese Academy of Sciences,Chengdu 610209,China;
3.
Graduate University of Chinese Academy of Sciences,Beijing 100049,China

Publish Date: 2012-07-15

Abstract

Abstract

The theoretical formula of phase-shift coefficient of piezoelectric fiber optic phase modulator is introduced, and a measuring method of the phase-shift coefficient is suggested based on Youngs two-slit interference principle. The feasibility of this measuring method is analyzed, and then verified by experiments. A phase modulator device based on piezoelectric ceramic ring is developed, and the phase-shift coefficient is tested which is consistent with the theoretical result. A experiment of phase locking of two beams is carried out with the self-developed piezoelectric fiber optic phase modulator, and coherent beam combination in far-field is achieved successfully. The fringe visibility in phase-locking state is up to 43%, compared with 3% with phase-locking off.
- fiber optics,
- phase modulator,
- piezoelectric ceramic ring,
- phase-shift coefficient,
- phase locking

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