Compact Efficient 2.1-<inline-formula> <tex-math notation="LaTeX">$\mu $ </tex-math></inline-formula>m Intracavity MgO:PPLN OPO With a VBG Output Coupler


We present a compact efficient intracavity MgO:PPLN optical parametric oscillator (OPO) with a volume Bragg grating output coupler pumped by a Q-switched Nd:YVO<sub>4</sub> laser operating in 2.1-&#x03BC;m region. Narrowband 2.1-&#x03BC;m output power of 3.7 W is achieved with a pulse duration &lt;;2 ns at 15-kHz repetition rate. A maximum conversion… (More)


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