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The authors have investigated a frequency-doubled passively-Q-switched self-Raman laser formed by a composite Nd:YVO4/YVO4 and a saturable absorber Cr:YAG, for the first time. The system is a promising candidate for a compact, cost-efficient pulsed or CW yellow laser source. In future, use of 885 nm diode pumping to reduce thermal lensing may enable further power scaling of the system.
This paper report a CW, frequency doubled, Nd:GdV04 self-Raman laser producing 2.51 W of CW yellow emission with a 12.2 % overall optical (diode-to-yellow) conversion efficiency. This high level of output power is a result of a laser design which minimises thermal loading of the laser crystal, minimises resonator loss at the fundamental and first Stokes wavelength and maximises the collection efficiency...
Summary form only given. Q-switched frequency-doubled visible laser pumped by laser diode is a very important device and has wide applications. LD-pumped self-frequency-doubled green laser has attracted a great deal of interest in recent years because of its small size, light weight, and simplicity of fabrication. But up to date the reported peak power of this kind of laser is not large enough for...
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