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Author:

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

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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:

Pulsed lasers Infrared devices Yttrium aluminum garnet Excited states

Author Community:

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

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ISSN: 0277-786X

Year: 2022

Volume: 12169

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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