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Simulation of the parameters for an optical system with coaxial radial thermal gradient

机译:具有同轴径向热梯度的光学系统的参数仿真

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Abstract: The optical system working under the condition of a radial thermal gradient change its nominal constructional parameters, such as: radius of curvature, thickness, interlens separation and refractive index. These changes have two aspects: first one caused by pure temperature change and the second one is related to the thermal gradient distribution. In the first case well known temperature changes of constructional parameters are encountered (area of the athermalization problem) and in the second one known gradient index changes in optical material are faced. In this paper the problem of the aspherization of optical surfaces due to the radial thermal gradient is taken into account. The rapid method for evaluation of aspherical parameter CC (conic constant) applied in the optical design is presented. The obtained results are verified by the finite element method as well as the interferometric experiment.!9
机译:摘要:在径向热梯度条件下工作的光学系统会改变其标称构造参数,例如:曲率半径,厚度,透镜间距和折射率。这些变化有两个方面:第一个是纯温度变化引起的,第二个与热梯度分布有关。在第一种情况下,遇到结构参数的已知温度变化(无热问题的区域),在第二种情况下,面对光学材料中的已知梯度指数变化。在本文中,考虑了由于径向热梯度导致的光学表面的非球形化问题。提出了一种快速评估光学设计中非球面参数CC(圆锥常数)的方法。所得结果通过有限元方法和干涉实验进行验证。!9

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