From Event: SPIE Optical Engineering + Applications, 2019
The project “High loading precision rotation stage design for synchrotron radiation mirror measurement” aims to provide an ultra-high-precision heavy-duty rotation stage and X-ray mirror interference optical measurements. Since the shape of an X-ray lens is very different from that of the general visible optical lens, the measurement system is very different from the general visible light optical measurement system. This paper describes a high-load precision rotating platform for obtaining stitching interferometer measurements for a synchrotron radiation mirror. The synchrotron radiation mirror is usually rectangular, and the length is greater than the interferometer measurement size. Therefore, for the mirror measurement, the stitching method is usually used to obtain synchrotron radiation mirror measurements. The interference measurements are obtained at different positions. In order to obtain the measurements, the center line of the interferometer must be perpendicular to the tangent of the mirror surface, so that appropriate interference fringes can be obtained. As the mirror radius becomes smaller, the interferometer rotation angle sensitivity increases. Development of the stitching interferometer high-load precision rotating platform design target requires an angle rotation resolution <10 nrad, considering the weight of the general interferometer plus the reference lens, related accessories, and safety factors is about 50 kg so that the rotating platform design load is 70 kg.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ming-Ying Hsu, Gung-Chian Yin, Chien-yu Lee, Bo-Yi Chen, Hok-Sum Fung, Shang-Wei Lin, Duan-Jen Wang, and Yu-Shan Huang, "High loading precision rotation stage design for synchrotron radiation mirror stitching measurement," Proc. SPIE 11100, Optomechanical Engineering 2019, 111000H (Presented at SPIE Optical Engineering + Applications: August 14, 2019; Published: 30 August 2019); https://doi.org/10.1117/12.2525563.
