Single-frequency, injection-seeded Q-switched operation of resonantly pumped Er:YAG ceramic laser at 1645 nm

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• 作者：Qing Ye ; Chunqing Gao ; Shuo Wang ; Quanxin Na ; Yang Shi ; Qing Wang…
• 刊名：Applied Physics B: Lasers and Optics
• 出版年：2016
• 出版时间：July 2016
• 年：2016
• 卷：122
• 期：7
• 全文大小：1,941 KB
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Electromagnetism, Optics and Lasers
  Physical Chemistry
  Laser Technology and Physics and Photonics
  Quantum Optics, Quantum Electronics and Nonlinear Optics
  Optical Spectroscopy and Ultrafast Optics
  Physics and Applied Physics in Engineering
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-0649
• 卷排序：122

文摘

A single-frequency Q-switched Er:YAG polycrystalline ceramic laser is reported for the first time. The ‘Ramp–Hold–Fire’ injection-seeding technique was employed to obtain single-frequency pulses, with an Er:YAG NPRO as a seed laser. Single-frequency laser operation was obtained with pulse energy of 4.7 mJ, pulse width of 250 ns and pulse repetition rate of 200 Hz.