Nanosecond terahertz optical parametric oscillator with a novel quasi phase matching scheme in lithium niobate.

Abstract

We present an optical parametric oscillator pumped by a single mode Q-switched nanosecond Nd:YVO(4) laser for terahertz generation in periodically poled lithium niobate with a new phase matching scheme. This new method leads to an emission of terahertz radiation close to the Cherenkov angle and to a parallel propagation of the pump and signal wave. The… (More)

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