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Author:

Liu, Xue-Sheng (Liu, Xue-Sheng.) | Yang, Song (Yang, Song.) | Si, Han-Ying (Si, Han-Ying.) | Zou, Ji-Yue (Zou, Ji-Yue.) | Yan, An-Ru (Yan, An-Ru.) | Wang, Cong-Cong (Wang, Cong-Cong.) | Liu, You-Qiang (Liu, You-Qiang.) | Wang, Zhi-Yong (Wang, Zhi-Yong.) (Scholars:王智勇)

Indexed by:

EI Scopus PKU CSCD

Abstract:

A LD side-pumped high-energy, high-beam-quality, electro-optic Q-switched all-solid-state Nd:YAG laser with thermoelectric cooler is developed. The size of the crystal in the oscillator is φ7 mm×100 mm and the Nd atomic ratio is 1.1%. The maximum peak power of pumping LDs is 15 kW. At the repetition rate of 10 Hz, the oscillation output with the maximum pulse energy of 350 mJ is obtained with the pulse width of 9.7 ns, the beam quality M2 of horizontal and vertical directions is 3.3 and 3.8, respectively. The MOPA structure is used to improve the final output power. The dimension of the Nd:YAG crystal in the first amplifier is φ7.5 mm×134 mm, when the pumping current is 80 A and the width of pumping pulse is 200 μs. A 700 mJ, 10 ns laser pulse is obtained with the repetition frequency 10 Hz. The dimension of the Nd:YAG crystal in the second amplifier is φ8 mm×100 mm and the pumping current is 80 A. The maximum output pulse energy is up to 1 085 mJ with the pulse width of 10 ns. The energy instability is less than 3%, the beam quality M2 of the horizontal and vertical directions is 3.9 and 4.8, respectively. The miniaturization and water-free of high beam quality Nd:YAG laser at Joule level are realized. © 2019, Science Press. All right reserved.

Keyword:

Yttrium aluminum garnet Pulsed lasers Neodymium lasers Crystals Q switching Thermoelectric equipment Optical pumping Pulse repetition rate

Author Community:

  • [ 1 ] [Liu, Xue-Sheng]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Liu, Xue-Sheng]Beijing Engineering Research Center of Laser Technology, Beijing; 100124, China
  • [ 3 ] [Liu, Xue-Sheng]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing; 100124, China
  • [ 4 ] [Yang, Song]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Yang, Song]Beijing Engineering Research Center of Laser Technology, Beijing; 100124, China
  • [ 6 ] [Yang, Song]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing; 100124, China
  • [ 7 ] [Si, Han-Ying]Science and Technology on Electro-optical Information Security Control Laboratory, Tianjin; 300308, China
  • [ 8 ] [Zou, Ji-Yue]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 9 ] [Zou, Ji-Yue]Beijing Engineering Research Center of Laser Technology, Beijing; 100124, China
  • [ 10 ] [Zou, Ji-Yue]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing; 100124, China
  • [ 11 ] [Yan, An-Ru]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 12 ] [Yan, An-Ru]Beijing Engineering Research Center of Laser Technology, Beijing; 100124, China
  • [ 13 ] [Yan, An-Ru]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing; 100124, China
  • [ 14 ] [Wang, Cong-Cong]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 15 ] [Wang, Cong-Cong]Beijing Engineering Research Center of Laser Technology, Beijing; 100124, China
  • [ 16 ] [Wang, Cong-Cong]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing; 100124, China
  • [ 17 ] [Liu, You-Qiang]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 18 ] [Liu, You-Qiang]Beijing Engineering Research Center of Laser Technology, Beijing; 100124, China
  • [ 19 ] [Liu, You-Qiang]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing; 100124, China
  • [ 20 ] [Wang, Zhi-Yong]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 21 ] [Wang, Zhi-Yong]Beijing Engineering Research Center of Laser Technology, Beijing; 100124, China
  • [ 22 ] [Wang, Zhi-Yong]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing; 100124, China

Reprint Author's Address:

  • [liu, xue-sheng]key laboratory of trans-scale laser manufacturing technology, ministry of education, beijing; 100124, china;;[liu, xue-sheng]beijing engineering research center of laser technology, beijing; 100124, china;;[liu, xue-sheng]institute of laser engineering, beijing university of technology, beijing; 100124, china

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Source :

Chinese Journal of Luminescence

ISSN: 1000-7032

Year: 2019

Issue: 12

Volume: 40

Page: 1523-1530

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 5

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 29

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