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Diode-end-pumped Nd:CaYAlO4 mode locked laser
Authors:Z.H. Cong  D.Y. Tang  W.D. Tan  D.W. Luo  X.D. Xu  D.Z. Li  X.Y. Zhang
Affiliation:
  • a School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
  • b Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • c Key Laboratory of Transparent and Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201800, China
  • d School of Information Science and Engineering, Shandong University, Jinan, 250100, China
  • Abstract:A diode pumped passively mode locked Nd:CaYAlO4 (Nd:CYA) laser is demonstrated for the first time to the authors' knowledge. Using a V-shaped cavity and a semiconductor saturable absorbing mirror (SESAM), self-started mode locking of the laser is experimentally achieved. The mode-locked pulses are as short as 3.9 ps at a central wavelength of 1080.2 nm. The mode-locked laser produced a maximum average output power of 2.25 W with a slope efficiency of 23.2%.
    Keywords:Mode locking   Nd:CaYAlO4 crystal
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