用于高能金宝搏188软件怎么用
系统的共孔径光学装置设计

邓万涛; 赵刚; 张茂; 陈翔

doi:10.3788/CO.20201301.0165

用于高能金宝搏188软件怎么用系统的共孔径光学装置设计

doi: 10.3788/CO.20201301.0165

cstr: 32171.14.CO.20201301.0165

邓万涛^{1, 2,},
赵刚^2, ,,
张茂²,
陈翔²

1.
北京理工大学光电学院, 北京 100081
2.
西南技术物理研究所, 四川成都 610041

基金项目:

国防科学技术预先研究基金项目 No.301040310

详细信息

作者简介:
邓万涛(1987-), 男, 贵州黔南人, 博士研究生, 工程师, 2010年于中国计量大学获得学士学位, 2013年于浙江大学获得硕士学位, 主要从事高能金宝搏188软件怎么用光束控制与传输方面的工作。E-mail:dengwantao@sohu.com

赵刚(1967—)，男，四川巴中人，博士，研究员，主要从事高能金宝搏188软件怎么用系统总体设计方面的工作。E-mail:zhao_209@sohu.com

中图分类号: TN249
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出版历程
- 收稿日期: 2019-05-06
- 修回日期: 2019-07-01
- 刊出日期: 2020-02-01

Design of optical device with co-aperture for high energy laser system

DENG Wan-tao^{1, 2
,},
ZHAO Gang^{2
, ,},
ZHANG Mao²,
CHEN Xiang²

1.
School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China
2.
Southwest Institute of Technical Physics, Chengdu 610041, China

Funds:

Supported by Advanced Research Foundation of Defense Science and Technology No.301040310

More Information

Corresponding author: ZHAO Gang, E-mail:zhao_209@sohu.com

摘要

摘要: 高能金宝搏188软件怎么用系统的主要工作方式是利用其精跟踪模块将发射金宝搏188软件怎么用传输聚焦至闭环跟踪条件下的目标上，使之受到毁伤或失效。为实现该工作方式，本文研究设计了一套共孔径光学收发装置。该装置的发射系统主要由离轴两反式主望远镜模块、伽利略透射式调焦望远镜模块和光束馈送模块共同组成二级扩束系统，接收系统主要由离轴两反式主望远镜模块、精跟踪成像模块和光束馈送模块共同组成长焦距光学系统，其中光束馈送模块由二向色镜、快速反射镜等光学元件组成。以非相干空间合束的基模高斯光作为金宝搏188软件怎么用光源，利用光学设计软件对该装置进行了优化设计。对于发射系统，获得了金宝搏188软件怎么用经过调焦望远镜模块不同的调焦量调制后，传输至0.5~5 km处的光斑分布情况，且金宝搏188软件怎么用波前像差RMS值均优于λ/20；对于接收系统，由各模块一同构成的成像光学系统的性能经优化后接近衍射极限，其中系统传递函数在70 lp/mm时大于0.6，最后通过样机实验也验证了设计的正确性。本文的设计和实验结果证实了该共孔径光学收发装置结构合理，性能可靠，满足高能金宝搏188软件怎么用系统的工程应用需求。
- 高能金宝搏188软件怎么用系统 /
- 共孔径光学 /
- 二级扩束 /
- 金宝搏188软件怎么用聚焦 /
- 目标成像
Abstract: The working principle of high energy laser systems is focusing the transmitting laser beam onto target while the target is tracked in a closed-loop using a fine tracking module, so that the target can be damaged or invalidated. In order to achieve this, an optical device with a co-aperture is designed for high-energy laser systems. The emitting system of this device is a two-stage beam expander consisted of an off-axis two-trans primary telescope module, a Galileo transmission telescope module for focusing, and a beam-feeding module. The receiver of this device is a long-focus optical system consisted of the same off-axis two-trans primary telescope module, an imaging module for fine tracking, and the same beam-feeding module, which is composed of a dichroic mirror, a fast mirror and other optical elements. Using an incoherent combination laser in space as laser source, we use optical design software in both the sequential mode and the non-sequential mode to design and simulate this device. The simulation results show that for the emitting system, the distribution of the spot at 0.5~5 km is obtained after the laser is modulated by different focusing quantities in the focusing telescope module. The RMS value of the laser wavefront is found to be better than λ/20 in the emitting system. In addition, the performance of the imaging optical system approaches the diffraction limit after optimizing, and the system transfer function is greater than 0.6 at 70 lp/mm. A prototype experiment is carried out to verify the correctness and rationality of this design. The results of this paper confirm that this optical transceiver possesses reasonable structure and reliable performance, which meets the engineering requirements of high-energy laser system applications.
- high energy laser system /
- common aperture optics /
- two-stage beam expander /
- laser focusing /
- target imaging

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图 1 共孔径光学装置结构示意图

Figure 1. Schematic diagram of optical device with co-aperture

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图 2 理想光学系统物象位置关系示意图

Figure 2. Relationship diagram of position between object and image in ideal optical system

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图 3 聚焦距离与调焦量的关系(f_p在100~1 000 mm时)

Figure 3. Relationship of focusing adjustment quantity and focusing distance(f_p is from 100 mm to 1 000 mm)

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图 4 物镜组焦距与调焦量的变化关系

Figure 4. Relationship of focal length of objective lens group and focusing adjustment quantity

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图 5 发射系统模型

Figure 5. Model of emitting system

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图 6 入射金宝搏188软件怎么用光斑分布

Figure 6. Spot distribution of incident laser

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图 7 聚焦金宝搏188软件怎么用光斑分布图

Figure 7. Spot distributions after focusing laser at different focusing distances

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图 8 M²因子与η关系

Figure 8. Relationship between M² and η

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图 9 金宝搏188软件怎么用传输聚焦性能与M²的对应关系

Figure 9. Relationship between performance of laser propagation and M²

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图 10 精跟踪成像模块模型

Figure 10. Model of fine tracking imaging module

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图 11 接收系统模型

Figure 11. Model of receiving system

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图 12 不同物距对应的MTF图

Figure 12. MTF corresponding to different object distances

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图 13 不同物距对应的点列图

Figure 13. SPTs corresponding to different object distances

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图 14 1 km处光斑分布测量结果

Figure 14. Measurement of spot distribution at 1 km

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图 15 1 km处无人机跟踪图像

Figure 15. Tracking image of UAV at 1 km

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表 1 优化后各聚焦距离下的d, Δ, RMS值

Table 1. d, Δ and RMS values corresponding to different focusing distances after optimizing

参数类型				参数值
L/km	0.5	1	2	3	4	5	∞
d/mm	137.78	125.91	119.96	117.98	116.99	116.39	114
Δ/mm	23.78	11.91	5.96	3.98	2.99	2.39	0
RMS/λ	0.019	0.016	0.013	0.012	0.011	0.011	0.009

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表 2 入射金宝搏188软件怎么用参数

Table 2. Parameters of incident laser

参数类型	参数值
合束金宝搏188软件怎么用数目	7
合束金宝搏188软件怎么用直径/mm	60
设计波长/nm	1 070~1 090
单束金宝搏188软件怎么用发散角/mrad	0.12

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表 3 成像接收系统参数

Table 3. Parameters of imaging receiving system

参数类型	参数值
视场/(′)	±6.6
入瞳直径/mm	320
设计波长/nm	780~840
有效焦距/mm	1 200

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表 4 不同物距对应的弥散圆半径最大值

Table 4. Maximum RMS radius corresponding to different object distances

L/km	0.5	1	2	3	4	5
RMS Radius/μm	2.203	0.976	0.961	0.837	0.782	0.753
Airy Radius/μm	3.7	3.7	3.7	3.7	3.7	3.7

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表 5 金宝搏188软件怎么用发射系统公差分析

Table 5. Tolerance analysis of emitting system

公差类型	公差名称	聚焦望远镜模块	光束馈送模块		望远镜模块
公差类型	公差名称	各透镜	快反镜	分色镜	主反射镜	次反射镜
加工公差	折射率	0.001	—	—	—	—
	阿贝数	1%	—	—	—	—
	光圈数	1	1	1	0.5	0.5
	不规则度	0.2	0.2	0.2	0.2	0.2
	厚度	0.03 mm	0.03 mm	0.03 mm	0.01 mm	0.01 mm
	X轴偏心	0.02 mm	—	—	—	—
	Y轴偏心	0.02 mm	—	—	—	—
	X轴倾斜	42″	—	—	—	—
	Y轴倾斜	42″	—	—	—	—
装调公差	X轴偏心	0.02 mm	0.02 mm	0.02 mm	0.01 mm	0.01 mm
	Y轴偏心	0.02 mm	0.02 mm	0.02 mm	0.01 mm	0.01 mm
	X轴倾斜	42″	42″	42″	30″	16″
	Y轴倾斜	42″	42″	42″	30″	16″

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表 6 成像接收系统公差分析

Table 6. Tolerance analysis of receiving system

公差类型	公差名称	精跟踪成像模块	光束馈送模块		望远镜模块
公差类型	公差名称	透镜各表面	快反镜	分色镜	主反射镜	次反射镜
加工公差	折射率	0.001	—	0.001	—	—
	阿贝数	1%	—	1%	—	—
	光圈数	0.5	0.5	0.5	0.5	0.5
	不规则度	0.2	0.2	0.2	0.2	0.2
	厚度	0.04 mm	0.03 mm	0.03 mm	0.01 mm	0.01 mm
	X轴偏心	0.02 mm	—	0.03 mm	—	—
	Y轴偏心	0.02 mm	—	0.03 mm	—	—
	X轴倾斜	42″	—	42″	—	—
	Y轴倾斜	42″	—	42″	—	—
装调公差	X轴偏心	0.03 mm	0.03 mm	0.03 mm	0.01 mm	0.01 mm
	Y轴偏心	0.03 mm	0.03 mm	0.03 mm	0.01 mm	0.01 mm
	X轴倾斜	42″	42″	42″	30″	16″
	Y轴倾斜	42″	42″	42″	30″	16″

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表 7 聚焦光斑直径

Table 7. Diameter of focusing spot

L(km)	k	(D_x, D_y) (测量值)	(D_x, D_y) (实际值)	(D_x, D_y) (设计值)
1	22	(1127 μm, 1156 μm)	(24.79 mm, 25.43 mm)	(23.6 mm, 23.6 mm)

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map

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