| 被动式红外光学系统无热设计 |
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| 引用本文： | 奚晓,李晓彤,岑兆丰. 被动式红外光学系统无热设计[J]. 光学仪器, 2005, 27(1): 42-46 |
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| 作者姓名： | 奚晓 李晓彤 岑兆丰 |
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| 作者单位： | 浙江大学现代光学仪器国家重点实验室,浙江,杭州,310027 |
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| 摘 要： | 围绕环境温度效应这一主题,着重分析了温度变化对光学材料折射率、光学元件的曲率半径和厚度以及光学元件之间的间隔等三方面的影响,并介绍了其解决方法,以无热技术来消除其产生的影响,从而使系统在要求的温度范围内保持良好的成像质量。最后设计了一个适用于3μm～5μm波段的红外光学系统,采用光学被动式无热技术来消除温度效应对系统的影响。
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| 关 键 词： | 红外光学系统 温度效应 光学被动式 无热设计 |
| 文章编号： | 1005-5630(2005)01-0042-05 |
| 修稿时间： | 2004-06-03 |
Passive athermalisation in infrared optical systems |
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| XI Xiao,LI Xiao- tong,CEN Zhao-feng ng University,Hangzhou,China. Passive athermalisation in infrared optical systems[J]. Optical Instruments, 2005, 27(1): 42-46 |
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| Authors: | XI Xiao LI Xiao- tong CEN Zhao-feng ng University Hangzhou China |
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| Affiliation: | XI Xiao,LI Xiao- tong,CEN Zhao-feng ng University,Hangzhou 310027,China) |
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| Abstract: | The temperature effect is discussed in this paper. Analysis is emphasized on three aspects of temperature effect: refractive index of optical elements, curvature radius or thickness and the space distance between optical elements. The corresponding solving method -athermalisation is introduced to eliminate its influence so that the high image quality could be realized in a wide temperature range. An infrared optical system for 3μm～5μm band is designed, in which the optical passive athermalisation is applied to eliminate the influence of temperature effect. |
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| Keywords: | infrared optical system temperature effect optical passive mode athermalisation |
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