应用于空间精密测量的全玻璃光纤耦合器的系统设计

赵亚; 姚东; 王智; 方超; 李钰鹏

doi:10.3788/CO.20191203.0432

Volume 12 Issue 3

Jun. 2019

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Chinese Optics > 2019 > 12(3): 432-440.

ZHAO Ya, YAO Dong, WANG Zhi, FANG Chao, LI Yu-peng. System design of all glass fiber couplers for precise space measurement[J]. Chinese Optics, 2019, 12(3): 432-440. doi: 10.3788/CO.20191203.0432

Citation:

ZHAO Ya, YAO Dong, WANG Zhi, FANG Chao, LI Yu-peng. System design of all glass fiber couplers for precise space measurement[J]. Chinese Optics, 2019, 12(3): 432-440. doi: 10.3788/CO.20191203.0432

ZHAO Ya, YAO Dong, WANG Zhi, FANG Chao, LI Yu-peng. System design of all glass fiber couplers for precise space measurement[J]. Chinese Optics, 2019, 12(3): 432-440. doi: 10.3788/CO.20191203.0432

Citation:

ZHAO Ya, YAO Dong, WANG Zhi, FANG Chao, LI Yu-peng. System design of all glass fiber couplers for precise space measurement[J]. Chinese Optics, 2019, 12(3): 432-440. doi: 10.3788/CO.20191203.0432

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System design of all glass fiber couplers for precise space measurement

doi: 10.3788/CO.20191203.0432

ZHAO Ya^{1, 2
,},
YAO Dong¹,
WANG Zhi^{1
,
,},
FANG Chao¹,
LI Yu-peng^{1, 2}

1.
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Funds:

the Strategic Priority Research Program of the Chinese Academy of Sciences XDB23030000

More Information

Corresponding author: WANG Zhi, E-mail:wz070611@126.com
Received Date: 04 Jul 2018
Rev Recd Date: 25 Aug 2018
Publish Date: 01 Jun 2019

Abstract

Abstract

A fiber-optic coupler with all glass materials is presented in this paper to realize high-precision, ultrastable interferometry. Firstly, we introduce the working principle of interferometry systems and the design of the fiber-optic coupler. Secondly, through theoretical analysis, selection of aspheric lenses is performed based on specific parameters of the lenses, which are investigated using numerical and software analysis. Then, we carry out a tolerance analysis of matching degrees of beam parameters and beam vectors, along with a thermal analysis of the structures. Finally, by combining theoretical analysis with precise adjustment, the manufacturing process of the fiber-optic coupler is finalized. Experimental results indicate that the error of the spot size compared to the result of simulations is about 3.4%. The difference between two beams'spot size is about 0.9%, their center distance is less then 40 μm and their included angle is about 60 μrad. This data can satisfy the application requirements of the interferometric system.
- space gravitational wave detection,
- interferometry measurement,
- fiber-optic coupler,
- spot

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References(14)

References

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