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对无热化设计的像面位移补偿研究

Research on Design with Athermalization Image Plane Displacement

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摘要

温度变化会导致光学系统最佳焦面发生偏离,使得光学系统成像质量下降,为了使得光学系统成像质量保持稳定,对光学系统无热化设计进行研究。从温度变化导致像面位移的角度来研究,推导出像面位移公式,以像面位移公式来指导无热化补偿设计。以一个常温下达到衍射极限的光学系统为例,在-40 ℃~60 ℃ 的温度范围内,发现更改其中的4 个参数都可以使像面位移减小或者为零,从而使系统成像质量提高,达到无热化设计目的。像面位移公式能够指导光学系统的无热化设计。

Abstract

The changes of temperature may lead to the divergence of best focal plane of its optical system, which will make the imaging quality of optical system decline. In order to maintain the optical system imaging quality stable, we study the athermalization of the optical system. A new way of athermalization what is divergence of the best focal plane is studied. The surface displacement formula is studied, then the surface displacement formula is used to guide the design of athermalization compensation. For example, we study the system that reaches diffraction limit in normal temperature. When the temperature ranges from -40 ℃ to 60 ℃ , it is found that modify the four parameters in the surface displacement formula will make the surface displacement decrease or go to zero. So the optical system imaging quality gets improvement and achieves athermalization. The conclusion is that the surface displacement formula can guide the design of athermalization.

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中图分类号:TH74

DOI:10.3788/lop53.022201

所属栏目:光学设计与制造

责任编辑:韩峰

收稿日期:2015-06-30

修改稿日期:2015-08-14

网络出版日期:2015-12-30

作者单位    点击查看

瞿伟:中国科学院光电技术研究所, 四川 成都 610209中国科学院大学, 北京 100049
刘卫林:中国科学院光电技术研究所, 四川 成都 610209

联系人作者:瞿伟(664918920@qq.com)

备注:瞿伟(1991—),男,硕士研究生,主要从事光电跟踪测量系统温度分析方面的研究。

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引用该论文

Qu Wei,Liu Weilin. Research on Design with Athermalization Image Plane Displacement[J]. Laser & Optoelectronics Progress, 2016, 53(2): 022201

瞿伟,刘卫林. 对无热化设计的像面位移补偿研究[J]. 激光与光电子学进展, 2016, 53(2): 022201

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