Chinese Optics Letters, 2018, 16 (4): 040701, Published Online: Jul. 12, 2018  

Extracting cavity and pulse phases from limited data for coherent pulse stacking Download: 670次

Author Affiliations
1 Accelerator Technology and Applied Physics Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
2 Department of Engineering Physics, Tsinghua University, Beijing 100084, China
3 Key Laboratory of Particle and Radiation Imaging, Ministry of Education, Tsinghua University, Beijing 100084, China
Abstract
Coherent pulse stacking (CPS) is a new time-domain coherent addition technique that stacks several optical pulses into a single output pulse, enabling high pulse energy and high average power. A Z-domain model targeting the pulsed laser is assembled to describe the optical interference process. An algorithm, extracting the cavity phase and pulse phases from limited data, where only the pulse intensity is available, is developed to diagnose optical cavity resonators. We also implement the algorithm on the cascaded system of multiple optical cavities, achieving phase errors less than 1.0° (root mean square), which could ensure the stability of CPS.

Yilun Xu, Russell Wilcox, John Byrd, Lawrence Doolittle, Qiang Du, Gang Huang, Yawei Yang, Tong Zhou, Lixin Yan, Wenhui Huang, Chuanxiang Tang. Extracting cavity and pulse phases from limited data for coherent pulse stacking[J]. Chinese Optics Letters, 2018, 16(4): 040701.

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