双光束白光干涉系统的理论模拟与实验研究

doi:10.11889/j.0253-3219.2017.hjs.40.080103

Nuclear Techniques ›› 2017, Vol. 40 ›› Issue (8): 80103-080103.doi: 10.11889/j.0253-3219.2017.hjs.40.080103

• SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS • Previous Articles Next Articles

Theoretical simulation and experimental study on double white light interference system

DENG Mingjun^1,2,3, WANG Yong¹, XUE Chaofan¹, TAI Renzhong¹

1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Zhangjiang Campus, Shanghai 201204, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China;
3. ShanghaiTech University, Shanghai 201210, China

Received:2017-03-29 Revised:2017-05-09 Online:2017-08-10 Published:2017-08-11
Supported by:
Supported by National Natural Science Foundation of China (No.11225527,No.11475251,No.11275255)

Abstract

Abstract: Background: To achieve three-dimensional (3D) imaging of general specimen on free electron laser, a device called double-beam 3D imaging device based on single shot free electron laser (FEL) pulse is being built, which will be used on Shanghai soft X-ray FEL. Visible light is planned to adopt on this imaging device for achieving offline space and time alignment. Purpose:This study aims to achieve offline space and time alignment and build an offline alignment system for 3D imaging device based on double-beam white light interference. Methods: Beam splitter prism, charge coupled device and other facilities were used to build this offline alignment system. Based on the wave optics theory, theoretical simulation and verification were performed by MATLAB programming. Results: Space and time alignment was achieved in the double-beam white light interference system. Regulation precision of time alignment was 48.1 fs. Conclusion: After simple improvement, the double-beam white light interference system can be used on 3D imaging device as an offline alignment system in the future.

Key words: FEL, Double-beam, White light interference

CLC Number:

TL11

DENG Mingjun, WANG Yong, XUE Chaofan, TAI Renzhong. Theoretical simulation and experimental study on double white light interference system[J].Nuclear Techniques, 2017, 40(8): 80103-080103.

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Theoretical simulation and experimental study on double white light interference system

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