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大能量碟片激光多通放大器腔体设计研究综述

陈毅 孙俊杰 于晶华 姚志焕 张逸文 于德洋 何洋 张阔 潘其坤 陈飞

陈毅, 孙俊杰, 于晶华, 姚志焕, 张逸文, 于德洋, 何洋, 张阔, 潘其坤, 陈飞. 大能量碟片激光多通放大器腔体设计研究综述[J]. 中国光学(中英文), 2023, 16(5): 996-1009. doi: 10.37188/CO.2023-0009
引用本文: 陈毅, 孙俊杰, 于晶华, 姚志焕, 张逸文, 于德洋, 何洋, 张阔, 潘其坤, 陈飞. 大能量碟片激光多通放大器腔体设计研究综述[J]. 中国光学(中英文), 2023, 16(5): 996-1009. doi: 10.37188/CO.2023-0009
CHEN Yi, SUN Jun-jie, YU Jing-hua, YAO Zhi-huan, ZHANG Yi-wen, YU De-yang, HE Yang, ZHANG Kuo, PAN Qi-kun, CHEN Fei. Review of the cavity-design of high-energy thin-disk laser multi-pass amplifiers[J]. Chinese Optics, 2023, 16(5): 996-1009. doi: 10.37188/CO.2023-0009
Citation: CHEN Yi, SUN Jun-jie, YU Jing-hua, YAO Zhi-huan, ZHANG Yi-wen, YU De-yang, HE Yang, ZHANG Kuo, PAN Qi-kun, CHEN Fei. Review of the cavity-design of high-energy thin-disk laser multi-pass amplifiers[J]. Chinese Optics, 2023, 16(5): 996-1009. doi: 10.37188/CO.2023-0009

大能量碟片激光多通放大器腔体设计研究综述

doi: 10.37188/CO.2023-0009
基金项目: 长春光机所创新重大项目(No. E10302Y3M0);吉林省青年成长科技计划项目(No. 20220508041RC)
详细信息
    作者简介:

    陈 毅(1991—),男,新疆昌吉人,博士,工程师,2020年于哈尔滨工业大学获得博士学位,主要从事碟片激光技术与长波红外激光方面的研究。E-mail:chenyihit@163.com

    孙俊杰(1994—),女,吉林长春人,硕士,助理研究员,2017年于国防科技大学获得硕士学位,主要从事新型激光技术及应用研究。E-mail:15143115236@163.com

    陈 飞(1982—),男,河南南阳人,博士,研究员,2011年于哈尔滨工业大学获得博士学位,主要从事新型激光技术及应用研究。E-mail:feichenny@126.com

  • 中图分类号: TN248

Review of the cavity-design of high-energy thin-disk laser multi-pass amplifiers

Funds: Supported by Innovate Major Project, CIOMP (No. E10302Y3M0); Jilin Province Youth Growth Science and Technology Project (No. 20220508041RC)
More Information
  • 摘要:

    为了明晰碟片多通放大器的腔体设计方法,本文对不同类型的碟片多通放大器做归纳与总结,共归纳出4f中继成像、谐振腔设计/光学傅立叶变换、近准直光束传输与其他共4种设计理念的多通放大器。介绍了每种放大器的设计方法并详尽列举了研究现状。通过对比4种类型的碟片多通放大器,发现不同种类的多通放大器各有优缺点。4f中继成像需要真空环境以避免焦点处的气体电离,因此机械装置与调试难度较大;谐振腔设计/光学傅立叶变换概念多通放大器的镜片处存在较小光斑,因此较适用于较低能量的多通放大器;近准直光束传输方法由于不需要真空环境,具备很大的发展潜力,但需要精准控制激光运转状态下的碟片面形,难度也较大。因此,从激光器设计角度来看,需要对碟片多通放大器继续进行优化设计,从而同时实现使用场景的多元化与输出能量的可持续拓展。

     

  • 图 1  4f中继传输系统。带有两个透镜的中继成像可再现碟片上激光束的相位和强度分布[6]

    Figure 1.  4f relay transmission system. Relay imaging with two lenses to reproduce the phase and intensity distribution of the laser beam on the thin clisk[6]

    图 2  不同半径、不同波前曲率的光束在4f系统内传输情况(碟片光焦度为0,光焦度指焦距的倒数)

    Figure 2.  Graph of beams with different spot radii and wavefront curvatures propagating in a 4f system (The diopter of thin-disk is 0, and the diopter refers to the reciprocal of the focal length)

    图 3  不同碟片晶体光焦度时光束在5个串联4f系统内的传输情况

    Figure 3.  Transmission curves of beams within 5 tandem 4f systems when the diopter of the thin-disk is different

    图 4  (a)包含一个透镜和两个棱镜对的4f系统光路;(b) 通过透镜的光束位置[6]

    Figure 4.  (a) Optical path of a 4f system consisting of one lens and two prism pairs; (b) position of the beam passing through the lens[6]

    图 5  包含抛物面镜与棱镜的碟片多通放大器[6]

    Figure 5.  Thin-disk multi-pass amplifier with parabolic mirrors and prisms[6]

    图 6  基于4f中继成像的12通碟片放大器[7]

    Figure 6.  12-pass thin-disk amplifier based on 4f relay imaging[7]

    图 7  基于4f中继成像的14通碟片放大器[10]

    Figure 7.  14-pass thin-disk amplifier based on 4f relay imaging

    图 8  基于双碟片4f系统的18通放大器[8, 11]

    Figure 8.  18-pass amplifier based on a dual thin-disk 4f system[8, 11]

    图 9  基于4f中继成像系统的14通放大器。(a)单碟片双通放大器俯视图;(b)非折叠的光路传输示意图;(c)碟片多通放大器实物图[12]

    Figure 9.  14 pass amplifier based on 4f relay imaging system. (a) Top view of the single thin-disk dual-pass amplifier; (b) schematic diagram of non-folded optical path transmission; (c) physical diagram of the thin-disk multi-pass amplifier[12]

    图 10  带有补偿镜、基于中继成像的碟片多通放大器俯视图[14]

    Figure 10.  Top view of the thin-disk multi-pass amplifier with compensation mirror based on relay imaging[14]

    图 11  改进中继成像光路图(使用一个补偿镜代替抛物面镜与补偿镜)[16]

    Figure 11.  Improved relay imaging optical path diagram (Using a compensating mirror instead of a parabolic mirror with a compensating mirror)[16]

    图 12  基于4f中继成像+万花筒系统的碟片12通放大器[20]

    Figure 12.  Thin-disk 12-pass amplifier based on a 4f relay imaging + kaleidoscope system[20]

    图 13  基于双4f中继成像系统的碟片64通放大器[13]

    Figure 13.  Thin-disk 64 pass amplifier based on a dual 4f relay imaging system[13]

    图 14  24通放大器的光路示意图。(a)光路连续通过1-disk-2-K2-3-disk-4-K1-5-disk-6-K2-7。其中:1~7代表图14(b)中的镜片编号;K1、K2分别表示凹面反射镜K1与凸面反射镜K2;K1—K2定义了光学稳定腔。(b)反射镜阵列编号与其他元件的侧面投影位置

    Figure 14.  Schematic diagram of the optical path of the 24-pass amplifier. (a) The optical path passes continuously through 1-disk-2-K2-3-disk-4-K1-5-disk-6-K2-7, where 1-7 represents the mirror numbers in Figure 14 (b), K1 and K2 represent the concave mirror K1 and convex mirror K2, respectively. K1-K2 defines the optical stable cavity. (b) The reflector array number and the lateral projection position of other elements

    图 15  16通4f放大器与光学傅立叶传输多通放大器的(a)输出光斑与(b)波前曲率倒数随碟片晶体光焦度的变化。红色虚线代表4f多通放大器,蓝色实线代表光学傅立叶传输多通放大器,灰色实线代表理想情况的光学傅立叶传输多通放大器[24]

    Figure 15.  Variation in (a) output spot and (b) wavefront curvature inverse with a diopter of thin-disk for the 16-pass 4f amplifier and optical Fourier transmission multi-pass amplifier. The red dashed line represents the 4f multi-pass amplifier, the blue solid line represents the optical Fourier transmission multi-pass amplifier, and the gray solid line represents the optical Fourier transmission multi-pass amplifier in ideal circumstances[24]

    图 16  基于光学傅立叶传输的8通放大器的光束传播。(黑线代表碟片晶体光焦度为0,红线和蓝线代表碟片晶体光焦度分别为±1/(40f)的光束传播,f为4f系统的焦距)[24]

    Figure 16.  Beam propagation of an 8-pass amplifier based on optical Fourier transmission. (The black line represents the diopter of the thin-disk at 0. The red and blue lines represent the diopter of the thin-disk are ±1/(40f), and f is the focal length of the 4f system)[24]

    图 17  实际使用的光学傅立叶变换8通放大器的光束传播缩短了传输距离。(黑线代表碟片晶体光焦度为0,红线和蓝线代表碟片晶体光焦度=±1/(40f)对应的光束传播,f为4f系统的焦距)[24]

    Figure 17.  Beam propagation of a practical optical Fourier transform 8-pass amplifier that shortens the transmission distance. (The black line represents the diopter of the thin-disk at 0. The red and blue lines represent the diopter of the thin-disk = ±1/(40f), and f is the focal length of the 4f system)[24]

    图 18  20通放大器的(a)俯视[25]、(b)立体光路图与(c)镜片阵列实物图[25]

    Figure 18.  (a) Top view[25], (b) stereo optical path diagrams, and (c) physical view of the lens array[25] of the 20-pass amplifier

    图 19  (a)垂直后向反射镜实物图[26],(b)垂直后向反射镜与平面反射镜的光路对比

    Figure 19.  (a) Physical drawing of the vertical retro-reflector[26]; (b) comparison of the optical path between the vertical retro-reflector and the plane reflector

    图 20  配备主动稳定系统的傅立叶传输多通放大器[26]

    Figure 20.  Fourier transmission multi-pass amplifier with an active stabilization system[26]

    图 21  测量的3个八通放大器的小信号增益与碟片偏角ϕ的关系。红色线代表常规傅立叶传输多通放大器,蓝色符号取自相同放大器但M2镜片被垂直后向反射镜代替,绿色符号代表配备主动稳定系统的傅立叶传输多通放大器[26]

    Figure 21.  The relationship between the small signal gain of three eight-pass amplifiers and the measured deflection angle of the thin-disk. The red symbols represent conventional Fourier transmission multi-pass amplifiers, the blue symbols are taken from the same amplifiers but with the M2 lens being replaced by a vertical rearward reflector, and the green symbols represent the Fourier transmission multi-pass amplifiers equipped with an active stabilization system[26]

    图 22  近准直光束传输多通放大器光路图[27]

    Figure 22.  Optical path diagram of the near collimated beam propagation multi-pass amplifier[27]

    图 23  皮秒多通放大器的(a)整体光路布局、(b)多通池光路图与(c)镜片单阵列实物图[40]

    Figure 23.  (a) Overall optical path layout of picosecond multi-pass amplifier, (b) optical path of a multipass cell and (c) picture of a single array of mirrors[40]

    图 24  皮秒多通放大器光路中的光斑半径分布[40]

    Figure 24.  Spot radius distribution in the optical path of the picosecond multi-pass amplifier[40]

    图 25  720 mJ皮秒激光器整体光路图[41]

    Figure 25.  Overall optical path of the 720 mJ picosecond laser[41]

    图 26  碟片大口径环形放大器光路图[43]

    Figure 26.  Optical path diagram of the thin-disk large-aperture ring amplifier[43]

    图 27  部分已报告的多通放大器输出激光参数。(a)脉冲重频vs脉冲能量,(b)脉冲宽度vs峰值功率,(c)平均输出功率vs峰值功率

    Figure 27.  The output laser parameters of some reported multi-pass amplifiers. (a) Pulse repetition frequency vs pulse energy, (b) pulse width vs peak power, and (c) average output power vs peak power

    表  1  ${\bf{4}}{\boldsymbol{f}} $系统传输前后的光束参数

    Table  1.   Beam parameters before and after 4f system transmission

    光束1光束2光束3
    入射前
    参数
    光斑半径0.12 mm光斑半径1.5 mm光斑半径3 mm
    波前曲率半径1 m波前曲率半径1 m波前曲率半径106 m
    传输后
    参数
    光斑半径0.12 mm光斑半径1.5 mm光斑半径3 mm
    波前曲率半径1 m波前曲率半径1 m波前曲率半径106 m
    下载: 导出CSV

    表  2  4种碟片多通放大器的优缺点

    Table  2.   Advantages and disadvantages of four types of thin-disk multi-pass amplifiers

    方案名称优点缺点
    4f中继成像任何热透镜焦距下,均能复现光斑尺寸,光路设计简单光束发散角随热透镜焦距变化剧烈,光束焦点处容易电离空气,需要真空环境运行或令焦点位于真空管内
    4f中继成像——低温制冷单次增益高、热光性能优异,光路设计简单需要液氮等低温制冷,同时需要真空环境
    谐振腔设计/光学傅立叶变换抗热透镜变化性能优于4f中继成像镜片上存在较小尺寸光斑,对镜片损伤阈值要求高;未进行皮秒脉冲放大实验,停留在理论阶段
    近准直光束传输可在空气环境运行,无空气电离需要精心设计的碟片光焦度
    其他
    下载: 导出CSV
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  • 收稿日期:  2023-01-05
  • 修回日期:  2023-02-05
  • 网络出版日期:  2023-04-18

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