Abstract
Efficient and compact green–yellow laser output at is generated by intracavity frequency doubling of a cw diode-pumped laser at under the condition of suppressing the higher gain transition near . With of diode pump power and the frequency-doubling crystal , as high as of cw output power at is achieved, corresponding to an optical-to-optical conversion efficiency of 15.7%; the output power stability over is better than 2.56%. To the best of our knowledge, this is the highest watt-level laser at generated by intracavity frequency doubling of a diode pumped laser at .
© 2009 Optical Society of America
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