High-Power Continuous-Wave Ultraviolet Generation by Frequency Doubling of an Argon Laser
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Continuous-wave 257-nm coherent light with a power of 1.2 W is generated by using an intracavity frequency doubling argon laser. In the laser resonator, an elliptical focusing technique is employed to minimize the risk of optical damage to a beta barium borate (BBO) nonlinear optical crystal without sacrificing the frequency conversion coefficient.
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