Three-wavelength green laser using intracavity frequency conversion of Nd:Mg:LiTaO3 with a MgO:PPLN crystal
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Abstract
A green laser with multi-wavelength emission was demonstrated using intracavity frequency conversion (frequency doubling and frequency summing) in a Nd:Mg:LiTaO3 laser. MgO-doped periodically poled lithium niobate (MgO:PPLN) was used as a nonlinear crystal in this work. A 62 mW that could emit light at 546, 542 and 538 nm was obtained by end pumping with a 808-nm laser diode. The speckle contrast ratio for the three-wavelength laser was only 3.36 %, a quarter of the value of the conventional 532-nm laser.
Keywords
Lithium Niobate Frequency Doubling Green Laser Speckle Noise Frequency Summing
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
Notes
Acknowledgments
This work was supported by the National High Technology Research and Development Program of China (863 Program, Grant No. 2013AA030501).
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