Experimental investigation on beam smoothing by combined spectral dispersion and lens array technology

被引：10
|
作者：
Jiang, Youen [1 ]
Zhou, Shenlei [1 ]
Wu, Rong [1 ]
Li, Jinghui [1 ]
Li, Xuechun [1 ]
Lin, Zunqi [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Natl Lab High Power Laser Phys, Shanghai 201800, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2013年 / 11卷 / 08期
基金：
中国国家自然科学基金;
关键词：
INERTIAL CONFINEMENT FUSION; ILLUMINATION; PERFORMANCE;
D O I：
10.3788/COL201311.081404
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The experimental performance of beam smoothing by combined one-dimensional (1D) spectral dispersion and lens array (LA) technology is presented, as applied in the ninth beam of SG-II. Using 3 omega spectral dispersion with a bandwidth of 270 GHz and a line dispersion that is 24.9 times the beam's diffraction-limited width decreases the focal spot non-uniformity of 80% energy concentration from 46% to 17%. The multiple-beam interference properties of the LA are theoretically and experimentally validated by spatial power spectral density analysis. Peak-spectra suppression ratios of 20 and 10 dB are achieved in the dispersion and orthogonal directions, respectively.
引用
下载
收藏
页数：4
相关论文
共 50 条
  • [21] Performance of Smoothing by Spectral Dispersion Combined with Distributed Phase Plate on SG-II
    Jiang, Youen
    Wu, Rong
    Zhou, Shenlei
    Li, Jinghui
    Li, Xuechun
    Lin, Zunqi
    INTERNATIONAL SYMPOSIUM ON PHOTOELECTRONIC DETECTION AND IMAGING 2013: HIGH POWER LASERS AND APPLICATIONS, 2013, 8904
  • [22] A novel scheme of beam smoothing using multi-central frequency and multi-color smoothing by spectral dispersion
    Zhong Zhe-Qiang
    Zhou Bing-Jie
    Ye Rong
    Zhang Bin
    ACTA PHYSICA SINICA, 2014, 63 (03)
  • [23] EXPERIMENTAL INVESTIGATION OF COMBINED DISPERSION IN FURAN AND PYRIDINE VAPORS
    SEREGINA, VI
    YAKOVLEV, VF
    SOVIET PHYSICS ACOUSTICS-USSR, 1971, 16 (04): : 540 - &
  • [24] Experimental study on smoothing by spectral dispersion using linear frequency-modulated pulse
    Zhang Rui
    Wang Jian-Jun
    Su Jing-Qin
    Liu Lan-Qin
    Deng Qing-Hua
    ACTA PHYSICA SINICA, 2010, 59 (02) : 1088 - 1094
  • [25] Experimental research on smoothing by spectral dispersion based on wave-guide phase modulator
    Zhang Rui
    Wang Jian-Jun
    Su Jing-Qin
    Liu Lan-Qin
    Ding Lei
    Tang Jun
    Liu Hua
    Jing Feng
    Zhang Xiao-Min
    ACTA PHYSICA SINICA, 2010, 59 (09) : 6290 - 6298
  • [26] Research of beam conditioning technologies using continuous phase plate, Multi-FM smoothing by spectral dispersion and polarization smoothing
    Zhang, Rui
    Jia, Huaiting
    Tian, Xiaocheng
    Yuan, Haoyu
    Zhu, Na
    Su, Jingqin
    Hu, Dongxia
    Zhu, Qihua
    Zheng, Wanguo
    OPTICS AND LASERS IN ENGINEERING, 2016, 85 : 38 - 47
  • [27] Spectral beam combining of fiber lasers: tolerances, lens design; and microlens array inclusion
    Bochove, EJ
    LASER RESONATORS AND BEAM CONTROL V, 2002, 4629 : 31 - 38
  • [28] Experimental research of target uniform illumination using smoothing by spectral dispersion and continuous phase plate
    Zhang Rui
    Li Ping
    Su Jing-Qin
    Wang Jian-Jun
    Li Hai
    Geng Yuan-Chao
    Liang Yue
    Zhao Run-Chang
    Dong Jun
    Lu Zong-Gui
    Zhou Li-Dan
    Liu Lan-Qin
    Lin Hong-Huan
    Xu Dang-Peng
    Deng Ying
    Zhu Na
    Jing Feng
    Sui Zhan
    Zhang Xiao-Min
    ACTA PHYSICA SINICA, 2012, 61 (05)
  • [29] Smoothing of focused beam pattern using two-dimensional spectral dispersion performed at GEKKO XII
    Miyanaga, N
    Matsuoka, S
    Park, JH
    Tsubakimoto, K
    Nakatsuka, M
    SECOND ANNUAL INTERNATIONAL CONFERENCE ON SOLID STATE LASERS FOR APPLICATION TO INERTIAL CONFINEMENT FUSION, 1997, 3047 : 746 - 756
  • [30] Effect of smoothing by spectral dispersion on flow induced laser beam deflection: The random phase modulation scheme
    Rose, HA
    Ghosal, S
    PHYSICS OF PLASMAS, 1998, 5 (03) : 775 - 781
12345