Abstract
A powerful laser with a tunable wavelength in a broad band is useful in many laser applications on biology, spectroscopy, photo-electronics, science research and so on. An effective way to create the said laser is nonlinear optics. It is well known that OPO and OPA can directly offer a tunable laser over a broad, wavelength range from IR to UV. Which strictly requires a well beam-qualified pump laser with a high laser power intensity. The pump laser in our experiment is at the wavelength of 355nm, which is from the third frequency conversion process of Nd:YAG laser beam at 1064nm.
© 2001 IEEE
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