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Chinese Physics, 2004, Vol. 13(10): 1689-1693    DOI: 10.1088/1009-1963/13/10/020
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

Oscillation conditions of cw simultaneous dual-wavelength Nd:YAG laser for transitions 4F3/2-4I9/2 and 4F3/2-4I11/2

Li Ping-Xue (李平雪)ab, Li De-Hua (李德华)a, Li Chun-Yong (李春勇)a, Zhang Zhi-Guo (张治国)a
a Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; b College of Laser Engineering, Beijing University of Technology, Beijing 100022, China
Abstract  The operating condition of a cw simultaneous dual-wavelength Nd:YAG laser for both $^4$F$_{3/2}$-$^4$I$_{9/2}$ (quasi-three-level system) and $^4$F$_{3/2}$-$^4$I$_{11/2}$(four-level system) transitions is studied. According to this condition, the cw simultaneous dual-wavelength at 1.06μm and 946 nm in Nd:YAG crystal has been realized experimentally through an adaptive coating design of the cavity mirrors. A total power output of 2.5W of the dual-wavelength at 946nm and 1.06μm has been achieved with an optical conversion efficiency 14.3%. The experimental results are in good agreement with the theoretical analysis.
Keywords:  dual-wavelength      Nd:YAG laser      diode-pumped laser  
Received:  13 April 2004      Revised:  21 May 2004      Accepted manuscript online: 
PACS:  42.55.Rz (Doped-insulator lasers and other solid state lasers)  
  42.55.Ah (General laser theory)  
  42.60.Da (Resonators, cavities, amplifiers, arrays, and rings)  
  42.60.By (Design of specific laser systems)  
  42.79.Bh (Lenses, prisms and mirrors)  
Fund: Project supported by the Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, China and by the Presidential Foundation of the Chinese Academy of Sciences, China.

Cite this article: 

Li Ping-Xue (李平雪), Li De-Hua (李德华), Li Chun-Yong (李春勇), Zhang Zhi-Guo (张治国) Oscillation conditions of cw simultaneous dual-wavelength Nd:YAG laser for transitions 4F3/2-4I9/2 and 4F3/2-4I11/2 2004 Chinese Physics 13 1689

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