平台间光束耦合传输与控制技术研究

李国会; 徐宏来; 向汝建; 杜应磊; 张凯; 吴晶; 向振佼

doi:10.11884/HPLPB202133.210028

平台间光束耦合传输与控制技术研究

doi: 10.11884/HPLPB202133.210028

李国会^{1, 2,},
徐宏来^{1, 2},
向汝建^{1, 2},
杜应磊^{1, 2},
张凯^{1, 2},
吴晶^{1, 2},
向振佼^{1, 2}

1.
中国工程物理研究院应用电子学研究所，四川绵阳 621900
2.
中国工程物理研究院高能激光科学与技术重点实验室，四川绵阳 621900

详细信息

作者简介:
李国会（1977—），男，高级工程师，主要从事主动光学控制技术研究

中图分类号: TN248.11
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- 被引次数: 0
出版历程
- 收稿日期: 2021-01-24
- 修回日期: 2021-04-10
- 网络出版日期: 2021-04-27
- 刊出日期: 2021-08-15

Technology of beam coupling transmission and control between platforms

Li Guohui^{1, 2
,},
Xu Honglai^{1, 2},
Xiang Rujian^{1, 2},
Du Yinglei^{1, 2},
Zhang Kai^{1, 2},
Wu Jing^{1, 2},
Xiang Zhenjiao^{1, 2}

1.
Institute of Applied Electronics, CAEP, P. O. Box 919-1012, Mianyang 621900, China
2.
Key Laboratory of Science and Technology on High Energy Laser, CAEP, P. O. Box 919-1002, Mianyang 621900, China

摘要

摘要: 介绍了平台间光路耦合传输系统的构成及光轴稳定控制的实现方法，开展了耦合校正系统和探测控制系统的设计，对校正系统进行了动态范围和模态仿真，优化设计后研制出光束耦合传输与控制系统。在对快反镜性能参数测试之后，开展了平台间光束耦合传输与控制实验，当振动台加载0 db振动谱且控制系统开环时，光轴X轴抖动10.9″@RSM，Y轴抖动102.3″@RSM，闭环时，光轴X轴抖动0.75″@RSM，Y轴抖动1.11″@RSM，通过频谱分析发现，快反镜光轴耦合系统闭环时对28 Hz以内光轴抖动具有较好地抑制作用，在系统开环残差较大的频率段2～6 Hz的抑制比为−40～−30 dB。实验结果表明，该光轴耦合控制系统对平台间光束传输过程中光束抖动具有较好地抑制和稳定效果。
- 耦合传输 /
- 控制系统 /
- 模态仿真 /
- 频谱 /
- 闭环残差
Abstract: The structure of optical path coupling transmission system between platforms and the realization method for optical axis stability control are introduced in this paper. The coupling correction system and detection control system are designed, and the dynamic range and modal simulation of the correction system are carried out, followed by the developent of the beam coupling transmission and control system after design optimization. After testing the performance parameters of the fast mirror, we carried out the platform coupling transmission and control experiments. When the shaking table was loaded with 0 dB vibration spectrum and the control system was open-loop, the X-axis jitter was 10.9″@RMS and the Y-axis jitter was 102.3″@RMS. When closed-loop, the X-axis jitter was 0.75″@RMS and the Y-axis jitter was 1.11″@RMS. Spectrum analysis shows that when the fast mirror optical axis coupling system is closed-loop, it has a good suppression effect on the optical axis jitter within 28 Hz. The suppression ratio is from −40 to −30 dB in the frequency range of 2～6 Hz with large open-loop residual error. The experimental results prove that the optical axis coupling control system has a good effect of suppressing and stabilizing the beam jitter in the process of beam transmission between platforms.
- coupling transmission /
- control system /
- modal simulation /
- frequency spectrum /
- close-loop residual error

HTML全文

图 1 平台间光束耦合传输示意图

Figure 1. Schematic diagram of beam coupling transmission between platforms

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图 2 FSM工作原理

Figure 2. FSM Working Principle

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图 3 快反镜结构示意图

Figure 3. Schematic diagram of the fast mirror

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图 4 快反镜动态范围仿真

Figure 4. Dynamic range simulation of the fast mirror

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图 5 快反镜模态分析

Figure 5. Modal analysis of the fast mirror

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图 6 快反镜实物照片

Figure 6. The fast mirror

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图 7 光轴和光瞳探测器实物

Figure 7. Optical axis and pupil detector

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图 8 控制与驱动系统实物

Figure 8. Control and drive system

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图 9 动态范围和线性度测试曲线

Figure 9. Dynamic range and linearity curve

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图 10 快反镜阶跃响应曲线

Figure 10. Step response curve of the fast mirror

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图 11 快反镜扫频频域响应曲线

Figure 11. Sweep frequency response curve of the fast mirror

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图 12 光束耦合传输与控制试验平台

Figure 12. Experimental platform for beam coupling transmission and control

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图 13 快反镜耦合系统开/闭环对比曲线

Figure 13. Open/closed-loop comparison curve of fast mirror coupling system

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图 14 快反镜耦合系统开/闭环频域特性曲线

Figure 14. Open/closed-loop frequency domain characteristic curve of fast mirror coupling system

Residual power spectral density(μrad*${\rm{Hz}}^{\frac{1}{2}} $)

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