【摘要】 叙述了利用衍射光学元件的环境温度特性实现光学系统像面环境温度补偿的原理和设计方法。提出了按照最佳像面确定最佳修正因数的补偿方法 ,使系统的性能在要求的温度范围内得到最佳补偿。给出了在 2 0℃～5 0℃范围实现像面环境温度补偿和 8μm～ 12 μm波段内消色差的系统设计参数和评价结果。所设计的系统结构简单 ,在要求的温度范围内性能稳定更多还原

【Abstract】 The principle and design method of employing the thermal property of diffractive optical element to athermalize optical systems are expounded. A method utilizing the best image plane to determine the optimum correction coefficient in order to optimize the performance of optical systems in required temperature range is described. The optical prescription and evaluation of an athermalized and achromatized IR system in temperature range 20 ℃～50 ℃ and 8 μm～\{12 μm\} waveband are given. The system has simple construction and reliable performance in required temperature range.更多还原