| 孔栅分束镜测量强激光远场光束质量的研究 |
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| 引用本文： | 马毅勇,程祖海.孔栅分束镜测量强激光远场光束质量的研究[J].激光技术,1998,22(2):118-121. |
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| 作者姓名： | 马毅勇 程祖海 |
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| 作者单位： | 1.华中理工大学激光技术与工程研究院, 武汉, 430074 |
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| 摘 要： | 论述了孔栅镜光束衰减和取样的原理及特点,用此法对高功率连续CO2激光器远场光强分布进行了检测,给出了光强空间分布。算出了光束的焦斑半径、远场发散角,并通过M2参数对光束质量作了评估。
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| 关 键 词： | 光束质量 光束取样 光束诊断 孔栅镜 |
The measurement of hel beam far field with hole grating beam sampler |
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| Ma Yiyong,Cheng Zuhai,Ku Geng,Zhang Yaoning.The measurement of hel beam far field with hole grating beam sampler[J].Laser Technology,1998,22(2):118-121. |
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| Authors: | Ma Yiyong Cheng Zuhai Ku Geng Zhang Yaoning |
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| Abstract: | A high power laser beam profile intensity measuring system using hole grating is introduced.The principle of hole grating sampler was analyzed.The HL CO 2 laser focal irradiance distribution was measured with hole grating.The divergence and radius of laser beam were calculated.The beam quality can be valued by M 2 factor. |
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| Keywords: | beam quality beam sampler beam diagnostics hole grating |
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