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Multiwavelength solid-state lasers with frequency conversion
Multiwavelength solid-state lasers with frequency conversion
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机译:变频多波长固态激光器
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摘要
A process and apparatus are disclosed for producing multiwavelength coherent radiations ranging from deep-ultraviolet to mid-infrared. The basic laser is a pulsed Nd:YAG or Nd:YLF laser which is frequency converted by a set of novel nonlinear crystals including D-CDA, LBO, BBO, KTP, and KNbO3, where efficient schemes using noncritical phase matching and cylindrical focusing are employed. A computer controlled integrated system suitable for multiple industrial and medical applications is described, particularly where a UV (at 210 nm and 213 nm) solid state laser is desired such as in refractive surgery. Furthermore, using optical parametric oscillation in nonlinear crystals, the laser system can produce tunable (1.5-4.5 microns) wavelengths covering a variety of medical applications.
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