基于光学塑料的激光制导武器光学系统研究

李福巍; 王鹏辉; 张运强; 潘国庆

基于光学塑料的激光制导武器光学系统研究

李福巍^1,,
王鹏辉^{1, 2},
张运强^{1, 2},
潘国庆^{1, 2}

1.
中国空空导弹研究院, 河南洛阳 471099
2.
航空制导武器航空科技重点实验室, 河南洛阳 471099

详细信息

作者简介:
李福巍（1982-），男，吉林人，硕士，高级工程师。研究方向是红外光学系统设计。E-mail: 15538866262@163.com

中图分类号: TN249
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- 文章访问数: 152
- HTML全文浏览量: 67
- PDF下载量: 38
- 被引次数: 0
出版历程
- 收稿日期: 2022-05-03
- 修回日期: 2022-06-04
- 刊出日期: 2023-04-20

Research on Optical System of Laser-Guided Weapon Based on Optical Plastic

LI Fuwei^1
,,
WANG Penghui^{1, 2},
ZHANG Yunqiang^{1, 2},
PAN Guoqing^{1, 2}

1.
China Airborne Missile Academy, Luoyang 471099, China
2.
Aviation Key Laboratory of Science of Technology on Airborne Guided Weapons, Luoyang 471099, China

摘要

摘要: 随着光学塑料成型技术的不断发展，光学塑料透镜在各类光学系统中得到了广泛的应用。光学塑料具有便于大批量生产，设计灵活性高，重量轻和耐冲击等特点。本文进一步研究了光学塑料的特性，并结合激光制导武器光学系统的特点，分析光学塑料应用的可行性。在以上分析的基础上针对特定的光学系统参数，完成基于非球面光学塑料的光学系统设计，并对系统的光斑成像质量进行了分析，满足系统的使用要求。最后，针对光学塑料对温度变化比较敏感的问题，利用LightTools软件完成对激光制导武器探测系统的建模，分析不同温度环境下系统输出的和差比幅值偏差和角度的偏差，进一步验证光学塑料为系统带来的影响，确定其在光学系统中的适用性。
- 光学塑料 /
- 非球面透镜 /
- 激光制导武器 /
- 光学系统
Abstract: With the continuous development of optical plastic molding technology, optical plastic lenses are widely used in various optical systems. Optical plastics have the characteristics of convenient mass production, high design flexibility, light weight, and high impact resistance. This study further examines the characteristics of optical plastics and analyzes the feasibility of applying optical plastics combined with the characteristics of the optical system of laser-guided weapons. Thus, an optical system was designed based on aspheric optical plastics according to the specific optical system parameters, and the spot quality of the system was analyzed to meet the application requirements. Finally, to address the problem of optical plastics being sensitive to temperature changes, the laser-guided weapon detection system was modeled using the LightTools software. The sum–difference amplitude deviation and angle deviation of the system output under different temperature environments were analyzed to further verify the impact of optical plastics on the system and determine their applicability in optical systems.
- optical plastic /
- aspheric lens /
- laser guided weapon /
- optical system

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图 1 大线性区光学系统设计

Figure 1. Design diagram of large linear region optical system

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图 2 大线性区光学系统成像光斑

Figure 2. Spots of the large linear region optical system

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图 3 不同视场时光斑在探测器上的分布

Figure 3. Spot on the detector at different fields of view

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图 4 探测系统模型

Figure 4. Model of the detection system

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图 5 不同温度时和差比幅值

Figure 5. The sum-difference amplitude at different temperature

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图 6 不同温度时角度偏差值

Figure 6. The angle deviation at different temperature

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图 7 小线性区光学系统设计

Figure 7. Design diagram of small linear region optical system

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图 8 小线性区光学系统成像光斑

Figure 8. Spots of the small linear region optical system

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表 1 材料性能对比

Table 1. List of material performance comparison

Material	n	Dispersion	ρ/(g⋅cm^-3)	CLTE 10^-7℃^-1	dn/dt 10^-6℃^-1
PMMA	1.492	57.2	1.18	600	−106.3
PC	1.585	29.9	1.25	680	−107
E48R	1.531	55.8	1.01	600	−100
480R	1.525	56.3	1.01	700	−100
OKP-4	1.608	26.9	1.22	720	−130
H-K9L	1.517	64	2.49	77	2.5
H-ZF6	1.755	27	3.15	93	1.4
Al₂O₃	1.683	5.5	3.98	56	50
MgF₂	1.354	13.4	3.18	107	19
Silicon	3.424	257	2.33	39	159
Germanium	4.021	108	5.33	61	424
ZnS	2.249	104	4.09	67	40
ZnSe	2.431	187	5.27	75	63

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表 2 光学系统成像光斑在不同温度下的大小

Table 2. Spots size at different temperatures

	Spots size /mm
	−45℃	20℃	60℃
0° Field	8.38	8.07	7.88
5° Field	8.44	8.12	7.93
10° Field	8.42	8.08	7.87
15° Field	8.04	7.65	7.42
20° Field	7.74	7.46	7.28

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