共 50 条
- [1] Intra-cavity multi-point sensor for C2H2 detection in photoacoustic spectroscopy based on acousto-optic Q-switched fiber laserOPTIK, 2020, 206Zhang, Qinduan论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Jinan 250100, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R ChinaChang, Jun论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Jinan 250100, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R ChinaCong, Zhenhua论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Jinan 250100, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R ChinaWang, Zongliang论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252059, Shandong, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng 252059, Shandong, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R ChinaWang, Fupeng论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Jinan 250100, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R ChinaSun, Jiachen论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Jinan 250100, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R ChinaZhu, Cunguang论文数: 0 引用数: 0 h-index: 0机构: Univ Jinan, Sch Phys & Technol, Jinan 250022, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China
- [2] Acousto-Optic Q-Switched Fiber Laser-Based Intra-Cavity Photoacoustic Spectroscopy for Trace Gas DetectionSENSORS, 2018, 18 (01):Zhang, Qinduan论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Shandong, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Jinan 250100, Shandong, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Shandong, Peoples R ChinaChang, Jun论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Shandong, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Jinan 250100, Shandong, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Shandong, Peoples R ChinaWang, Qiang论文数: 0 引用数: 0 h-index: 0机构: Chinese Univ Hong Kong, Dept Mech & Automat Engn, Hong Kong, Hong Kong, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Shandong, Peoples R ChinaWang, Zongliang论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252059, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng 252059, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Shandong, Peoples R ChinaWang, Fupeng论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Shandong, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Jinan 250100, Shandong, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Shandong, Peoples R ChinaQin, Zengguang论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Shandong, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Jinan 250100, Shandong, Peoples R China Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Shandong, Peoples R China
- [3] The fiber ring laser intra-cavity gas sensor for C2H2 and CO2 detection based on photoacoustic spectroscopyINFRARED PHYSICS & TECHNOLOGY, 2023, 131Zhang, Hengbiao论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252000, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng 252000, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252000, Peoples R ChinaBi, Shaoqiang论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252000, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng 252000, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252000, Peoples R ChinaZhang, Qinduan论文数: 0 引用数: 0 h-index: 0机构: Qilu Univ Technol, Laser Inst, Shandong Acad Sci, Jinan 250014, Peoples R China Qilu Univ Technol, Shandong Acad Sci, Int Sch Optoelect Engn, Jinan 250014, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252000, Peoples R ChinaTian, Cunwei论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252000, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng 252000, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252000, Peoples R ChinaWang, Zongliang论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252000, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng 252000, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252000, Peoples R China
- [4] Multi-point, fiber-optic gas detection with intra-cavity spectroscopyOPTICS COMMUNICATIONS, 2003, 220 (4-6) : 361 - 364Zhang, Y论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R ChinaZhang, M论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R ChinaJin, W论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
- [5] Q-switched fiber laser based on an acousto-optic modulator with injection seeding techniqueAPPLIED OPTICS, 2016, 55 (17) : 4584 - 4588Li, Wencai论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R China Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R ChinaLiu, Haowei论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R China Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R ChinaZhang, Ji论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R China Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R ChinaLong, Hu论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R China Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R ChinaFeng, Sujuan论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R China Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R ChinaMao, Qinghe论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R China Univ Sci & Technol China, Inst Environm Sci & Photoelect Technol, Hefei 230026, Peoples R China Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R China
- [6] Experimental researches on acousto-optic Q-switched CO2 laserHongwai yu Jiguang Gongcheng/Infrared and Laser Engineering, 2015, 44 (08): : 2280 - 2285He, Yang论文数: 0 引用数: 0 h-index: 0机构: State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, China State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, ChinaLu, Jun论文数: 0 引用数: 0 h-index: 0机构: The Second Artillery Equipment Academy, Beijing,100085, China State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, ChinaChen, Fei论文数: 0 引用数: 0 h-index: 0机构: State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, China State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, ChinaLi, Dianjun论文数: 0 引用数: 0 h-index: 0机构: State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, China State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, ChinaZheng, Changbin论文数: 0 引用数: 0 h-index: 0机构: State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, China State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, ChinaXie, Jijiang论文数: 0 引用数: 0 h-index: 0机构: State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, China State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, ChinaGuo, Jin论文数: 0 引用数: 0 h-index: 0机构: State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, China State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, China
- [7] The intra-cavity QEPAS sensor using fiber-ring laser for C2H2 and CO2 detectionMICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2023, 65 (11) : 3021 - 3026Zhang, Hengbiao论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng, Peoples R ChinaYu, Yuanfang论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng, Peoples R ChinaBi, Shaoqiang论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng, Peoples R ChinaZhang, Qinduan论文数: 0 引用数: 0 h-index: 0机构: Qilu Univ Technol, Shandong Acad Sci, Laser Inst, Jinan, Peoples R China Qilu Univ Technol, Shandong Acad Sci, Int Sch Optoelect Engn, Jinan, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng, Peoples R ChinaTian, Cunwei论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng, Peoples R ChinaWang, Zongliang论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252000, Peoples R China Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Liaocheng 252000, Peoples R China Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng, Peoples R China
- [8] Acousto-optic Q-switched Er:CaF2-SrF2 laser at 2.73 μmINFRARED PHYSICS & TECHNOLOGY, 2021, 116Liu, Jingjing论文数: 0 引用数: 0 h-index: 0机构: Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Engn & Tech Ctr Light Manipulat, Jinan 250358, Peoples R China Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Key Lab Opt & Photon Device, Jinan 250358, Peoples R China Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Engn & Tech Ctr Light Manipulat, Jinan 250358, Peoples R ChinaZong, Mengyu论文数: 0 引用数: 0 h-index: 0机构: Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Engn & Tech Ctr Light Manipulat, Jinan 250358, Peoples R China Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Key Lab Opt & Photon Device, Jinan 250358, Peoples R China Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Engn & Tech Ctr Light Manipulat, Jinan 250358, Peoples R ChinaWang, Dongzhou论文数: 0 引用数: 0 h-index: 0机构: Jinan Inst Quantum Technol, Jinan 250101, Peoples R China Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Engn & Tech Ctr Light Manipulat, Jinan 250358, Peoples R ChinaZhang, Zhen论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Shanghai Inst Ceram, Synthet Single Crystal Res Ctr SSCRC, CAS Key Lab Transparent & Optofunct Inorgan Mat, Shanghai 201899, Peoples R China Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 201899, Peoples R China Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Engn & Tech Ctr Light Manipulat, Jinan 250358, Peoples R ChinaLiu, Jie论文数: 0 引用数: 0 h-index: 0机构: Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Engn & Tech Ctr Light Manipulat, Jinan 250358, Peoples R China Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Key Lab Opt & Photon Device, Jinan 250358, Peoples R China Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Engn & Tech Ctr Light Manipulat, Jinan 250358, Peoples R ChinaSu, Liangbi论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Shanghai Inst Ceram, Synthet Single Crystal Res Ctr SSCRC, CAS Key Lab Transparent & Optofunct Inorgan Mat, Shanghai 201899, Peoples R China Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 201899, Peoples R China Shandong Normal Univ, Sch Phys & Elect, Shandong Prov Engn & Tech Ctr Light Manipulat, Jinan 250358, Peoples R China
- [9] Acousto-Optic Q-Switched Ho:YLF Ring Laser Based on Anti-Misalignment Resonant CavityPHOTONICS, 2023, 10 (10)Wang, Yunpeng论文数: 0 引用数: 0 h-index: 0机构: Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, 100 Pingleyuan, Beijing 100124, Peoples R China Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, 100 Pingleyuan, Beijing 100124, Peoples R ChinaZhang, Dongming论文数: 0 引用数: 0 h-index: 0机构: Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, 100 Pingleyuan, Beijing 100124, Peoples R China Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, 100 Pingleyuan, Beijing 100124, Peoples R ChinaYan, Dong论文数: 0 引用数: 0 h-index: 0机构: Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, 92 Xidazhi St, Harbin 150001, Peoples R China Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, 100 Pingleyuan, Beijing 100124, Peoples R ChinaDai, Tongyu论文数: 0 引用数: 0 h-index: 0机构: Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, 92 Xidazhi St, Harbin 150001, Peoples R China Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, 100 Pingleyuan, Beijing 100124, Peoples R ChinaJu, Youlun论文数: 0 引用数: 0 h-index: 0机构: Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, 92 Xidazhi St, Harbin 150001, Peoples R China Beijing Univ Technol, Inst Laser Engn, Fac Mat & Mfg, 100 Pingleyuan, Beijing 100124, Peoples R China
- [10] Pptv-Level Intra-Cavity QEPAS Sensor for Acetylene Detection Using a High Power Q-Switched Fiber LaserIEEE SENSORS JOURNAL, 2019, 19 (15) : 6181 - 6186Zhang, Qinduan论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R ChinaChang, Jun论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R ChinaCong, Zhenhua论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R ChinaBong, Yiwen论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R ChinaWang, Zongliang论文数: 0 引用数: 0 h-index: 0机构: Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Sch Phys Sci & Informat Technol, Liaocheng 252059, Shandong, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R ChinaWang, Fupeng论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R ChinaSun, Jiachen论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R China Shandong Univ, Shandong Prov Key Lab Laser Technol & Applicat, Sch Informat Sci & Engn, Qingdao 266200, Shandong, Peoples R China