Diode-pumped laser action and self-frequency doubling in Nd3+:YCOB

Jason M. Eichenholz; Dennis A. Hammons; Lawrence Shah; Q. Ye; Martin C. Richardson; Bruce H. T. Chai; Aland K. Chin; John D. Cary

doi:10.1117/12.347698

4 May 1999 Diode-pumped laser action and self-frequency doubling in Nd³⁺:YCOB

Jason M. Eichenholz, Dennis A. Hammons, Lawrence Shah, Q. Ye, Martin C. Richardson, Bruce H. T. Chai, Aland K. Chin, John D. Cary

Author Affiliations +

Proceedings Volume 3613, Solid State Lasers VIII; (1999) https://doi.org/10.1117/12.347698
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

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.

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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); https://doi.org/10.1117/12.347698

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