| 光谱色散匀滑技术对衍射光学器件束匀滑性能的影响 |
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| 引用本文： | 谭峭峰,严瑛白,金国藩.光谱色散匀滑技术对衍射光学器件束匀滑性能的影响[J].强激光与粒子束,2004,16(6):749-753. |
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| 作者姓名： | 谭峭峰 严瑛白 金国藩 |
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| 作者单位： | 清华大学 精密测试技术与仪器国家重点实验室，北京 100084 |
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| 基金项目： | 国家 8 63计划项目资助课题 |
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| 摘 要： | 模拟分析了光谱色散匀滑技术对衍射光学器件束匀滑性能的影响。光谱色散匀滑技术的使用提高了衍射光学器件的抗波前畸变能力，降低了对加工精度的高要求。光谱色散匀滑技术与衍射光学器件的联用有望满足惯性约束聚变对束匀滑性能的高要求。
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| 关 键 词： | 光谱色散平滑 衍射光学器件 束匀滑 |
| 文章编号： | 1001-4322(2004)06-0749-05 |
| 收稿时间： | 2003/11/17 |
| 修稿时间： | 2003年11月17 |
Effect of smoothing by spectral dispersion on performance of diffractive optical element for beam smoothing |
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| TAN Qiao-feng,YAN Ying-bai,JIN Guo-fan.Effect of smoothing by spectral dispersion on performance of diffractive optical element for beam smoothing[J].High Power Laser and Particle Beams,2004,16(6):749-753. |
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| Authors: | TAN Qiao-feng YAN Ying-bai JIN Guo-fan |
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| Institution: | State Key Laboratory of Precision Measurement Technology and Instruments Tsinghua University, Beijing 100084, China |
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| Abstract: | In this paper, the effect of smoothing by spectral dispersion (SSD) on the performance of the diffractive optical element (DOE) for beam smoothing is studied. Using SSD technique, the tolerances of the DOE for beam smoothing to wavefront distortion and fabricating error are increased, the high frequency modulation in the intensity distribution is reduced and the performance of beam smoothing is improved. Using SSD and DOE may be consistent with the rigorous demand for beam smoothing in inertial confinement fusion (ICF). |
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| Keywords: | Smoothing by spectral dispersion Diffractive optical element Beam smoothing |
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