| 激光高阶横模的相对相位判定与锁定 |
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| 引用本文： | 马其旺,李治,孙恒信,刘奎,郜江瑞.激光高阶横模的相对相位判定与锁定[J].量子光学学报,2020,26(1):77-87. |
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| 作者姓名： | 马其旺 李治 孙恒信 刘奎 郜江瑞 |
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| 作者单位： | 山西大学光电研究所,量子光学与光量子器件国家重点实验室,山西太原030006;山西大学,极端光学协同创新中心,山西太原030006 |
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| 基金项目： | 国家重点研发计划;国家自然科学基金;国家自然科学基金;山西省工程重点学科建设计划 |
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| 摘 要： | 本文通过理论计算与数值模拟,提出了不同阶数的高阶模式间相对相位的判定与锁定方法。在像平面对两束光的干涉光斑进行空间取样,计算其干涉光强随相对相位的变化,并在此基础上提出了判定与锁定两束不同阶厄米高斯光束HGmn以及不同阶拉盖尔高斯光束LGpl相对位相的方案,并对厄米高斯光束相位判定与锁定进行了实验验证。
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| 关 键 词： | 相位锁定 高阶横模 干涉仪 4F成像 |
Relative Phase Determination and Locking of High-order Transverse Mode of Laser |
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| MA Qi-wang,LI Zhi,SUN Heng-xin,LIU Kui,GAOJiang-rui.Relative Phase Determination and Locking of High-order Transverse Mode of Laser[J].Acta Sinica Quantum Optica,2020,26(1):77-87. |
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| Authors: | MA Qi-wang LI Zhi SUN Heng-xin LIU Kui GAOJiang-rui |
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| Affiliation: | (State Key of Laboratory of Quantum Optics and Quantum Optics Devices,Collaborative Innovation Center of Extreme Optics,Institute of Opto-Electronics,Shanxi University,Taiyuan,Shanxi 030006,China) |
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| Abstract: | In this paper, through theoretical calculation and numerical simulation, the method of determining and locking the relative phase between high-order modes with different orders is proposed. The interferometric spot in the image plane is spatially sampled and the interferometric intensity varied with the relative phase is calculated. A schemefor extracting and locking the relative phase of two different order Hermite-Gauss beams HGmn and different order Laguerre-Gauss beams LGmn is proposed. For HG modes, the experiment of extractingand locking the phase is demonstrated. |
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| Keywords: | phase locking high-order mode interferometer 4F imaging |
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