Lifu Zhang, Yuxiao Han, Jinuo Yu, Jinlin Xie, Ge Zhuang. Multi-dimensional wavefront measurement system for microwave imaging reflectometer on EAST tokamak[J]. Plasma Science and Technology. DOI: 10.1088/2058-6272/adce4c
Citation:
Lifu Zhang, Yuxiao Han, Jinuo Yu, Jinlin Xie, Ge Zhuang. Multi-dimensional wavefront measurement system for microwave imaging reflectometer on EAST tokamak[J]. Plasma Science and Technology. DOI: 10.1088/2058-6272/adce4c
Lifu Zhang, Yuxiao Han, Jinuo Yu, Jinlin Xie, Ge Zhuang. Multi-dimensional wavefront measurement system for microwave imaging reflectometer on EAST tokamak[J]. Plasma Science and Technology. DOI: 10.1088/2058-6272/adce4c
Citation:
Lifu Zhang, Yuxiao Han, Jinuo Yu, Jinlin Xie, Ge Zhuang. Multi-dimensional wavefront measurement system for microwave imaging reflectometer on EAST tokamak[J]. Plasma Science and Technology. DOI: 10.1088/2058-6272/adce4c
A multi-dimensional wavefront measurement system based on interferometer technique has been developed to address the critical issue of wavefront verification for MIR diagnostics. The spatial resolution is 0.2 mm and the accuracy of phase measurement is 0.02 rad. These measured results for EAST MIR illumination optics are quantitatively consistent with the calculations from the optical simulation. It is also proved that the Rogers plate used as beam splitter in MIR has a negligible impact on the shape of the wavefront.
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