Thermal Lensing Reduction in Conventional and Composite Nd:YAG Laser Rod
Engineering and Technology Journal,
2016, Volume 34, Issue 11, Pages 2031-2035
AbstractA finite-element method (FEM) wasused to simulate numerically the effect of thermal lensing in YAG rods doped with Nd ion using LASCAD software. The temperature distribution and thermal lensing focal length of the composite laser rod (YAG/Nd:YAG) with one undoped end cap was considered and compared with conventional laser rod (Nd:YAG) by applying software. Results show that thermal lensing effects were reduced by a factor of 2 using (YAG/Nd:YAG) composite rod at pump power of 20W.
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