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Efficient Diode-Pumped Tm:YALO3 Laser with a Pump Recycling Scheme

  • 1National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001 2The Laser and Optoelectronic Functional Material R&D Center, Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences, Shanghai 201800

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  • Received Date: May 12, 2007
  • Published Date: August 31, 2007
    Abstract
  • By using a pump recycling configuration, the maximum power of 8.1W in the wavelength range 1.935--1.938μm is generated by a 5-mm long Tm:YAlO3 (4 at.%) laser operating at 18°C with a pump power of 24W. The highest slope efficiency of 42% is attained, and the pump quantum efficiency is up to 100%. The Tm:YAlO3 laser is employed as a pumping source of singly-doped Ho(1%):GdVO4 laser operating at room temperature, in which continuous wave output power of greater than 0.2W at 2.05μm is achieved with a slope
    efficiency of 9%.
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    • References (9)
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