Abstract
We demonstrate a novel technique for locking and tuning of a near-degenerate nanosecond optical parametric oscillator (OPO) using a transversely chirped volume Bragg grating. When the grating was translated, the OPO signal wavelength could be tuned from . The OPO was based on a periodically poled as a nonlinear crystal and was pumped at with up to of energy. The generated signal at an energy of had a bandwidth of and a suppression of broadband background of . The demonstrated technique is widely applicable for the construction of narrowband tunable sources.
© 2009 Optical Society of America
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