| Autor: |
Hangqi Xu, Xiaohui Wen, Hong Li, Weixing Ding, Sen Zhang, A.D. Liu, Junfeng Zhu, Yiming Zu, Shoubiao Zhang, Hai Wang, Defeng Kong, Wandong Liu, Jiaren Wu, Yao Yuan, Jie Wu, Z. X. Liu, Haiyang Zhou, Zian Wei, Ge Zhuang, Chen Chen, Tao Lan, Tijian Deng, Wenzhe Mao, Jinlin Xie, Shijie Lan, Chijin Xiao |
| Rok vydání: |
2020 |
| Předmět: |
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| Zdroj: |
The Review of scientific instruments. 91(6) |
| ISSN: |
1089-7623 |
| Popis: |
An optical fiber Mach-Zehnder interferometer at a wavelength of 1.55 µm has been developed for measurements of high electron density on compact torus (CT) plasmas with a high time resolution of 0.1 µs and high phase resolution of 6.4 × 10-4 rad. To improve density measurement accuracy, the phase noise of the interferometer has been investigated in detail and optimized. In the bench test, the interferometer was calibrated using a piezoelectric ceramic actuator with known stroke. Initial results on CT plasma show that the optical fiber interferometer provides reliable density measurements at two spatial locations and the bulk velocity of plasma can be determined by the method of time of flight. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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