Advanced Search
MA Fang, LI Hui, TAN Rongqing, SHI Jiajun. Study on synchronous modulation Q-switched RF excitated waveguide CO2 laser[J]. LASER TECHNOLOGY, 2019, 43(1): 75-78. DOI: 10.7510/jgjs.issn.1001-3806.2019.01.015
Citation: MA Fang, LI Hui, TAN Rongqing, SHI Jiajun. Study on synchronous modulation Q-switched RF excitated waveguide CO2 laser[J]. LASER TECHNOLOGY, 2019, 43(1): 75-78. DOI: 10.7510/jgjs.issn.1001-3806.2019.01.015
shu

Study on synchronous modulation Q-switched RF excitated waveguide CO2 laser

  • 1.

    Department of Advanced Laser and Probing Technology, Institute of Electronics, Chinses Academy of Sciences, Beijing 100190, China

  • 2.

    School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

More Information
  • Received Date: March 14, 2018
  • Revised Date: March 27, 2018
  • Published Date: January 24, 2019
    Graphical Abstract
    • Abstract
  • In order to cut off the Q-switched pulse trailing and improve the electro-optical efficiency, an exciting mode of synchronous modulation in a mechanical Q-switched radio frequency (RF) excited waveguide CO2 laser was proposed. The effects of synchronous modulation signal on the tail length of Q-switched pulse, pulse width, peak power and electro-optical efficiency were studied experimentally. The results show that, when the cut-off time of synchronous modulation signal is -80μs, the tail length of modulation Q-switched pulse is the shortest of 23μs. The electro-optical efficiency is the highest of 3% when the non-excitation duration of synchronous modulation signal is 800μs. The excitation mode of synchronous modulation can effectively cut off the pulse tail and keep the pulse width at the same time, and improve the peak power and electro-optical efficiency.
    • FullText(HTML)
    • References (18)
  • [1]
    WANG Sh G. RF excited CO2 waveguide laser[J]. Laser Technology, 1986, 10(1): 33-35(in Chinese). http://d.old.wanfangdata.com.cn/Periodical/zgjg200106008
    [2]
    ZHANG D L, CAO F G, HAN Y Sh, et al. Study on the relationshipbetween the power and the frequency of CO2 laser excited by RF[J]. Laser Technology, 2005, 29(2): 199-200(in Chinese). DOI: 10.1029/2005JE002498/full
    [3]
    ZHOU D F, JIANG D, HOU T J, et al. The study on the E-O Q-switch of RF waveguide CO2 laser[J]. Laser Technology, 2002, 26(4): 270-272(in Chinese). http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=jgjs200204007
    [4]
    WANG Y L, WU H L, XIAO M Q, et al. Overview of phylogeny and outstanding performances for RF-excited CO2 laser[J]. Laser and Infrared, 2001, 31(1): 10-12(in Chinese).
    [5]
    CAO F G. Research on power system of RF excited CO2 laser in the low power[D]. Wuhan: Huazhong University of Science and Technology, 2005: 1-2(in Chinese).
    [6]
    FAN Y X. The research of driver and characteristics of AOM of CO2 laser[D]. Wuhan: Huazhong University of Science and Technology, 2006: 1-7(in Chinese).
    [7]
    LU X Ch, ZHANG K H, TAN R Q, et al. Design and experimental study of radio frequency excited rectangle waveguide CO2 laser[J]. Laser Technology, 2017, 41(2): 159-162(in Chinese). http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=jgjs201702002
    [8]
    LIU Y H. Devising of an inner hydro-cooling circulation system of RF-excited the all metal CO2 waveguide laser[J]. Journal of Northwest University(Natural Science Edition), 2013, 43(3): 400-402(in Chinese). http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=xbdxxb201303013
    [9]
    TIAN Zh Sh, CHENG X Y, WANG Q. Development of electric-optically Q-switched CO2 laser[J]. Laser Technology, 2003, 27(3): 208-210(in Chinese).
    [10]
    XIE J J, LI D J, ZHANG Ch Sh, et al. Acousto-optically Q-switched CO2 laser[J]. Optics and Precision Engineering, 2009, 17(5): 1008-1013(in Chinese). http://d.old.wanfangdata.com.cn/Periodical/gxjmgc200905011
    [11]
    XU Y, XIE J J, LI D J, et al. Q-switch techniques of CO2 laser[J]. Chinese Optics, 2014, 7(2): 196-207(in Chinese). http://en.cnki.com.cn/Article_en/CJFDTotal-ZGGA201402002.htm
    [12]
    LI H, FENG J D, TAN R Q, et al. Coupling efficiency of CO2 laser resonator with rectangular waveguide[J]. Chinese Journal of Lasers, 2017, 44(7): 0701003(in Chinese). DOI: 10.3788/CJL
    [13]
    RICHARD L A. Coupling losses in hollow waveguide laser resonators[J]. IEEE Journal of Quantum Electronics, 1972, 8(11): 838-843. DOI: 10.1109/JQE.1972.1076875
    [14]
    ZHU J, CHEN Y Q, WANG J H. Research on reflection coupling of square waveguide laser[J]. Chinses Journal of Lasers, 2006, 33(1): 34-38(in Chinese). http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=zgjg200601009
    [15]
    WANG X B, XU Q Y, XIE M J, et al. Coupling losses and mode properties of planar waveguide resonators[J]. Acta Optica Sinica, 1995, 15(11): 1515-1519(in Chinese). http://www.sciencedirect.com/science/article/pii/0030401896002350
    [16]
    LI H. Research on Q-switched technoloy of RF-excited rectangular waveguide CO2 laser[D]. Beijing: University of Chinese Academy of Sciences, 2017: 46-50(in Chinese).
    [17]
    HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY. A adjustment method for adjusting Q-switched pulse shape: CN, 87103899.4[P]. 1991-07-24(in Chinese).
    [18]
    SONG W L. The development of laser processing technology[J]. Laser and Infrared, 2006, 36(s1): 755-758(in Chinese). http://d.old.wanfangdata.com.cn/Periodical/wlxb201712016
    • Related Articles

  • Related Articles

    [1]ZHANG Peng, FENG Zhihua, ZHANG Pengfei, ZHAO Yuanming, RUAN Youtian, HAN Wenjie, ZHANG Hui, KANG Zhaoyang. Frequency modulation continuous wave laser ranging technique utilized matched filtering[J]. LASER TECHNOLOGY, 2025, 49(1): 53-61. DOI: 10.7510/jgjs.issn.1001-3806.2025.01.009
    [2]XU Qiang, SHEN Si, XIE Xiumin, WU Peng, ZHOU Qiang, DENG Guangwei, WANG You, SONG Haizhi. Quantum optics techniques for laser detecting and ranging[J]. LASER TECHNOLOGY, 2021, 45(1): 44-47. DOI: 10.7510/jgjs.issn.1001-3806.2021.01.008
    [3]ZHANG Biao, ZHOU Guoqing, ZHOU Xiang, CHENG Xiaohui. Design of multi-channel ranging system for lidar[J]. LASER TECHNOLOGY, 2016, 40(4): 576-581. DOI: 10.7510/jgjs.issn.1001-3806.2016.04.025
    [4]QIAN Xiaodong, LI Xiru, LIANG Xu, BAO Jian, ZHANG Shuo. Synchronous control for MOPA excimer laser systems[J]. LASER TECHNOLOGY, 2015, 39(2): 233-236. DOI: 10.7510/jgjs.issn.1001-3806.2015.02.019
    [5]HE Ting, NIU Yan-xiong, ZHANG Peng, WANG Cai-li, CUI Yun-xia, NIU Hai-sha. 激光主动侦察作用距离的研究[J]. LASER TECHNOLOGY, 2012, 36(2): 213-216. DOI: 10.3969/j.issn.1001-3806.2012.02.018
    [6]HAN Hong-wei, ZHANG Xiao-hui, GE Wei-long. A variable step scan method for underwater range-gated imaging[J]. LASER TECHNOLOGY, 2011, 35(2): 226-229,259. DOI: 10.3969/j.issn.1001-3806.2011.02.023
    [7]LEI Xuan-hua, YANG Ke-cheng. A synchronization controller based on FPGA for an underwater laser imaging system[J]. LASER TECHNOLOGY, 2010, 34(5): 682-685. DOI: 10.3969/j.issn.1001-3806.2010.O5.029
    [8]XIE Xing-sheng, FANG Yong-wen, WU Yun-feng, YE Yu-tang, CHEN Chang-bin, LI Chang-cheng, WANG Bing-xue. Infrared laser ranging in auto adaptive cruise control system[J]. LASER TECHNOLOGY, 2004, 28(5): 521-523,530.
    [9]An Yuying, Zeng Xiaodong, Liu Jinsong. Passive ranging of laser source by single station[J]. LASER TECHNOLOGY, 1998, 22(2): 129-130.
    [10]Tang Zhengxing. Measurement and test technology of laser tracking and ranging[J]. LASER TECHNOLOGY, 1997, 21(6): 346-349.

Catalog

    Get Citation
    PDF
    XML
    Article views (4) PDF downloads (6) Cited by()
    Turn off MathJax
    Article Contents
    Abstract
    References
    Related Articles

    Links：

    more+

    Website Copyright © Editorial Department of LASER TECHNOLOGY 蜀ICP备10038222号-1

    Address：No. 7, Section 4, Renmin South Road, Chengdu, Sichuan Province, China Post Code：610041

    Tel：028-68011091/68011046 Email: jgjs@vip.163.com

    Supported by: Beijing Renhe Information Technology Co., Ltd. 

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return