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Author:

Wang, Sibo (Wang, Sibo.) | Tian, Ye (Tian, Ye.) | Qu, Bo (Qu, Bo.) | Zhu, Zhanda (Zhu, Zhanda.) | Hui, Yongling (Hui, Yongling.) | Lei, Hong (Lei, Hong.) | Li, Qiang (Li, Qiang.)

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EI Scopus

Abstract:

Room-temperature cascaded mid-infrared (MIR) pulsed laser output in Er:YAG crystal is reported. The 1469nm characteristic wavelength of the cascade emission is observed. The characteristic wavelength of the excited-state absorption (ESA) is determined as 1676nm. An Er:YAG crystal with concentration of 10at.% is adopted to compare the laser output energy in the cascaded and non-cascaded configuration. The maximum single pulse energy of MIR laser increases from 1.04mJ (non-cascade) to 1.51mJ (cascade), corresponding to a ratio of 45.2%. The 'cyclic cascade' is considered to be the mechanism responsible for the laser performance optimization. The experimental results confirm the existance of cascade at room temperature in Er:YAG crystal. Moreover, cascade is helpful to improve the single pulse energy of MIR laser. © 2022 SPIE

Keyword:

Infrared devices Excited states Infrared lasers Yttrium aluminum garnet Crystals Room temperature Pulsed lasers

Author Community:

  • [ 1 ] [Wang, Sibo]Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Tian, Ye]Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Qu, Bo]Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Zhu, Zhanda]Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Zhu, Zhanda]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing; 100124, China
  • [ 6 ] [Zhu, Zhanda]Beijing Engineering Research Center of Laser Technology, Beijing; 100124, China
  • [ 7 ] [Zhu, Zhanda]Beijing Higher Institution Engineering Research Center of Advanced Laser Manufacturing, Beijing; 100124, China
  • [ 8 ] [Hui, Yongling]Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing; 100124, China
  • [ 9 ] [Hui, Yongling]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing; 100124, China
  • [ 10 ] [Hui, Yongling]Beijing Engineering Research Center of Laser Technology, Beijing; 100124, China
  • [ 11 ] [Hui, Yongling]Beijing Higher Institution Engineering Research Center of Advanced Laser Manufacturing, Beijing; 100124, China
  • [ 12 ] [Lei, Hong]Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing; 100124, China
  • [ 13 ] [Lei, Hong]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing; 100124, China
  • [ 14 ] [Lei, Hong]Beijing Engineering Research Center of Laser Technology, Beijing; 100124, China
  • [ 15 ] [Lei, Hong]Beijing Higher Institution Engineering Research Center of Advanced Laser Manufacturing, Beijing; 100124, China
  • [ 16 ] [Li, Qiang]Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing; 100124, China
  • [ 17 ] [Li, Qiang]Key Laboratory of Trans-scale Laser Manufacturing Technology, Ministry of Education, Beijing; 100124, China
  • [ 18 ] [Li, Qiang]Beijing Engineering Research Center of Laser Technology, Beijing; 100124, China
  • [ 19 ] [Li, Qiang]Beijing Higher Institution Engineering Research Center of Advanced Laser Manufacturing, Beijing; 100124, China

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ISSN: 0277-786X

Year: 2022

Volume: 12173

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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