Abstract
A ground-state-depleted laser has been demonstrated at 912 nm in the form of a Q-switched oscillator operating on the Nd3+4F3/2-4/9/2 transition in Y2SiO5. Samarium scandium gallium garnet has been demonstrated to be effective at selectively suppressing the competing and much stronger 4F3/2-4/11/2 lasing transition. Efficient harmonic generation has been demonstrated by using noncritically phase-matched KNbO3.
© 1990 Optical Society of America
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