Abstract
Special features of laser line generation upon high-energy diode pumping of Er:BaY2F8 crystals are investigated. The UV and visible laser lines are effectively formed via nonlinear self-addition of frequencies of induced Er3+ lines at 541 and 553 nm with the corresponding frequencies of IR Er3+ lines upon pumping of the Er:BaY2F8 crystals with a diode laser beam having a wavelength of 457 nm.
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