Abstract
Publisher Summary Since the first demonstration of an optical parametric oscillator (OPO), the OμρOμ has been considered as a source of powerful, broadly tunable coherent radiation. However, the development and the scientific application have been hampered by the scarcity of nonlinear optical materials with suitable optical and mechanical properties. Recently, new nonlinear materials—Bariumborate (BBO) and Lithiumborate (LBO)—have become available. This chapter presents experiments that demonstrate the advantages of BBO and LBO–OPO as tunable coherent light sources. The most attractive features of these light sources are high power capability, high conversion efficiency, and a large tuning range. Pumped by the harmonics of the Nd–YAG laser, the BBO–OPO as well as the LBO–OPO generate tunable laser radiation in the spectral range between 300 and 3000 nm. The results obtained from the experiments are promising for the further development of these new tunable all solid-state sources, which might in the near future be the radiation source of choice for applications like pulsed laser spectroscopy.
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