小接收角同步辐射红外光束线的优化设计

发布时间：2018-03-24 03:07

本文选题：光学设计　切入点：同步辐射红外光束线　出处：《光学学报》2016年11期

【摘要】：对同步辐射红外光束线中由两个相同光学参数的超环面镜组成的对称式光学系统的像差和超环面镜缩放比之间的关系进行分析。计算结果表明,使用3倍压缩比的超环面镜可将上海光源同步辐射红外光束线站BL06B的500μm波长的红外光在金刚石化学蒸汽沉积(CVD)窗上的透射率优化到50%左右;光学设计软件Zemax光线追迹结果表明,该对称式结构的像差不影响中红外光束的聚集性能。Synchrotron Radiation Workshop模拟计算结果表明,使用3倍压缩比的超环面镜和直径15mm的金刚石CVD窗获得的光子通量与使用1倍压缩比的超环面镜和直径45mm的金刚石CVD窗获得的光子通量相当,但前者的碳峰吸收约为后者的37%。由两个3倍压缩比的超环面镜组成的对称式光学结构在兼顾近中红外性能的同时,优化了同步辐射红外光束线在远红外波段的性能。
[Abstract]:The relationship between aberration and zoom ratio of a symmetric optical system consisting of two ultra-toroidal mirrors with the same optical parameters in the synchrotron radiation infrared beam line is analyzed. The transmittance of the 500 渭 m wavelength infrared light of the synchrotron radiation infrared beam line station of Shanghai light source can be optimized to about 50% on the diamond chemical vapor deposition (CVD) window by using the ultra toroidal mirror with 3 times compression ratio. The optical design software Zemax ray tracing results show that the transmission of the infrared light at 500 渭 m wavelength is about 50%. The aberration of the symmetric structure does not affect the aggregation performance of the mid-infrared beam. The simulation results of Synchrotron Radiation Workshop show that, The photonic fluxes obtained by using 3 times compression ratio ultra torus mirror and diameter 15mm diamond CVD window are comparable to those obtained by using double compression ratio ultra ring mirror and diameter 45mm diamond CVD window. But the carbon peak absorption of the former is about 37% of that of the latter. The symmetrical optical structure composed of two toroidal mirrors with 3 times compression ratio takes into account the near and middle infrared properties and optimizes the performance of the synchrotron radiation infrared beam line in the far infrared band.
【作者单位】：中国科学院上海应用物理研究所上海光源;
【基金】：国家自然科学基金(11475252) 国家自然科学基金青年科学基金(11405258)
【分类号】：O434.3

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