Abstract
Compact, passively Q-switched, microchip lasers are attractive for many applications, such as, microprocessing, remote sensing, laser ignition, etc., due to their short pulse-width and high peak power characteristics [1-5]. The high peak power of microchip lasers can also be used for efficient harmonic conversion to the green and UV wavelengths for a variety of applications. However, Nd:YAG microchip lasers normally use <100> cut Cr4+:YAG as the saturable absorber for passive Q-switching. This generates unpolarized laser output that is not suitable for efficient nonlinear wavelength conversion.
© 2011 Optical Society of America
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