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4 May 1999 Diode-pumped laser action and self-frequency doubling in Nd3+:YCOB
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Development of the oxyborate Nd3+:YCOB has brought about the realization of single crystal elements under diode pumped operation for compact simple, solid state lasers producing visible laser emission. Efficient laser action and self-frequency doubling (SFD) has been obtained for both Ti:Sapphire and diode pumped operations. Comparable results were obtained for a hemispherical linear cavity with a 2% output coupler for fundamental operation. The fundamental output power of the Nd:YCOB under Ti:Sapphire pumping was in excess of 400 mW with a slope efficiency of 44% with approximately 1 W absorbed. Utilizing high brightness laser diodes, over 350 mW of fundamental output power has been obtained with a slope efficiency of 51% for similar absorbed powers. Efficient SFD operation was demonstrated in both pumping modes with no output coupling at the fundamental wavelength and high transmission of the second harmonic using a 5% doped Nd:YCOB crystal. Output powers of approximately 60 mW at 530 nm were obtained with both Ti:Sapphire and laser diode pumping.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jason M. Eichenholz, Dennis A. Hammons, Lawrence Shah, Q. Ye, Martin C. Richardson, Bruce H. T. Chai, Aland K. Chin, and John D. Cary "Diode-pumped laser action and self-frequency doubling in Nd3+:YCOB", Proc. SPIE 3613, Solid State Lasers VIII, (4 May 1999);


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