Chinese Journal of Lasers, Volume. 48, Issue 4, 0401003(2021)
Review of Coherent Laser Beam Combining Research Progress in the Past Decade
Figures & Tables(19)
![Schematic diagram of polarization control system for narrow linewidth fiber amplifier[129]](/Images/icon/loading.gif){kind=icon}
Fig. 2. Schematic diagram of polarization control system for narrow linewidth fiber amplifier[129]
Fig. 7. Schematic setup of target-in-the-loop coherent beam combining of 21 fiber lasers[83]
Fig. 8. Far-field spot exposure patterns of coherent beam combining system with 8 kW level high duty cycle[86]. (a) Open loop; (b) closed loop
Fig. 9. Experimental setup and results for coherent beam combining of femtosecond pulsed fiber lasers with 10.4 kWaverage power[91]
Fig. 10. Schematic setup of coherent beam combining of 61 femtosecond pulsed fiber lasers[95]
Fig. 11. Experimental setup and results of coherent beam combining of two variable frequency lasers[197]
Fig. 12. Experimental setup and output power for the 600 W green and 300 W ultraviolet light system[229]
Fig. 13. Experimental setup and result for coherent beam combining of two nanosecond pulsed fiber lasers [233]
Fig. 14. Principle and experimental results for producing OAM beams by coherent beam combining[243]. (a)(b) Schematic diagram of OAM beam produced by array beam; (c)(d) experimental results of OAM beam produced by 6 lasers
Fig. 15. Real photo of laser beam transmitter and receiver in the 7-channel laser-array transmission and control experiment[113]
Table 1. Representative research results of active phase control coherent beam combining
View tableTable 1. Representative research results of active phase control coherent beam combining
Method Year Institution Result Reference SPGD 2011 Massachusetts Institute of Technology 8 fiber lasers with 4 kW overall power [78] 2014 National University of Defense Technology 32 low power fiber lasers [82] 2016 University of Dayton 21 fiber lasers with 0.5 kW overall power, target-in-the-loop over 7 km [83-84] 2019 National University of Defense Technology 60 low power fiber lasers [85] 2020 National University of Defense Technology 7 fiber lasers with 8 kW overall power [86] 2020 National University of Defense Technology 107 low power fiber lasers [87] Method Year Institution Result Reference Multi-frequency dithering 2011 Air Force Research Laboratory 16 fiber lasers with kW level overall power [88] 2014 Northrop Grumman 3 fiber lasers with 2.4 kW overall power [80] 2016 Air Force Research Laboratory 5 fiber lasers with 4.9 kW overall power [89] 2018 Friedrich Schiller University Jena 4 pulsed fiber lasers with 3.5 kW overall power [90] 2020 Friedrich Schiller University Jena 12 pulsed fiber lasers with 10.4 kW overall power [91] Single frequency dithering 2010 National University of Defense Technology 9 fiber lasers with 1.08 kW overall power [92] 2016 National University of Defense Technology 4 fiber lasers with 5.02 kW overall power [93] 2017 China Academy of Engineering Physics 30 low power fiber lasers [94] Quadriwave lateral shearing interferometry 2011 Thales Research & Technology 64 low power fiber lasers [74] Reference beam interference 2014 Thales Research & Technology 16 low power fiber lasers [75] 2020 Thales Research & Technology 61 low power pulsed fiber lasers [95] Phase-intensity mapping 2017 Université de Limoges 37 fiber lasers with 30 W overall power [96]
Table 2. Representative research results of AFOC-based tilt control in coherent beam combining
View tableTable 2. Representative research results of AFOC-based tilt control in coherent beam combining
Year Institution Result Reference 2011 University of Dayton 7 low power fiber lasers, target-in-the-loop over 7 km [111] 2011 Institute of Optics and Electronics 3 low power fiber lasers [112] 2012 Northrop Grumman 5 low power fiber lasers [117] 2013 Institute of Optics and Electronics 7 fiber lasers with 10 W level overall power [118] 2014 National University of Defense Technology 2 fiber lasers with 10 W level overall power [115] 2016 University of Dayton 21 fiber lasers with 0.5 kW overall power, target-in-the-loop over 7 km [83-84] 2017 National University of Defense Technology 7 fiber lasers with 10 W level overall power [116] 2018 Institute of Optics and Electronics 7 fiber lasers with 10 W level overall power, target-in-the-loop over 200 m [113] 2018 National University of Defense Technology 6 fiber lasers with 10 W level overall power, target-in-the-loop over 800 m [119]
Table 3. Representative research results of aperture-filling
View tableTable 3. Representative research results of aperture-filling
Method Year Institution Result Reference Collimators array 2017 Université de Limoges 37 fiber lasers with 30 W overall power, PIB was 36% [96] 2017 China Academy of Engineering Physics 30 low power fiber lasers,PIB was 41.65% [94] 2019 National University of Defense Technology 60 low power fiber lasers, PIB was 34.7% [85] 2020 National University of Defense Technology 7 fiber lasers with 8 kW overall power, PIB was 18.76% [86] 2020 National University of Defense Technology 107 low power fiber lasers, PIB was 22.47% [87] Microlens array 2011 Massachusetts Institute of Technology 8 fiber lasers with 4 kW overall power, PIB was 58% [78] 2011 Thales Research & Technology 64 low power fiber lasers, PIB was 34% [74] 2020 Thales Research & Technology 61 low power pulsed fiber lasers, PIB was 48% [95] Fiber bundle 2020 Civan Advanced Technologies 32 fiber lasers with 16 kW overall power [153] DOE 2012 Massachusetts Institute of Technology 5 fiber lasers with 1.93 kW overall power, M2 was 1.1, combination efficiency was 79% [154] 2014 Northrop Grumman 3 fiber lasers with 2.4 kW overall power, M2 was 1.2, combination efficiency was 80% [80] 2016 Air Force Research Laboratory 5 fiber lasers with 4.9 kW overall power, M2 was 1.1, combination efficiency was 82% [89] Method Year Institution Result Reference CPBC 2012 National University of Defense Technology 8 low power fiber lasers, combination efficiency was 92% [155] 2013 Friedrich Schiller University Jena 4 pulsed fiber lasers with 530 W overall power, combination efficiency was 93%,M2 was 1.2 [156] 2014 National University of Defense Technology 4 fiber lasers with 680 W overall power, combination efficiency was 75.2% [157] 2016 Friedrich Schiller University Jena 8 pulsed fiber lasers with 1 kW overall power, combination efficiency was 91% [158] 2017 Friedrich Schiller University Jena 16 pulsed fiber lasers with 1.83 kW overall power, combination efficiency was 82% [72] 2017 National University of Defense Technology 4 fiber lasers with 5.02 kW overall power, combination efficiency was 93.8% [93] M-Z interferometer 2016 Laboratoire ARTEMIS 2 fiber lasers with 80 W overall power, combination efficiency was 96% [159] 2018 Friedrich Schiller University Jena 4 pulsed fiber lasers with 3.5 kW overall power, combination efficiency was 88.2% [90] 2020 Friedrich Schiller University Jena 12 pulsed fiber lasers with 10.4 kW overall power, combination efficiency was 96% [91]
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Pu Zhou, Rongtao Su, Yanxing Ma, Pengfei Ma, Jian Wu, Can Li, Man Jiang. Review of Coherent Laser Beam Combining Research Progress in the Past Decade[J]. Chinese Journal of Lasers, 2021, 48(4): 0401003
Paper Information
Special Issue: SPECIAL ISSUE FOR "NATIONAL UNIVERSITY OF DEFENSE TECHNOLOGY"
Received: Oct. 15, 2020
Accepted: Jan. 18, 2021
Published Online: Feb. 24, 2021
The Author Email: Zhou Pu (zhoupu203@163.com)
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