The GTR-KTP intracavity optical parametric oscillator driven by a diode-end-pumped acousto-optical Q-switched Nd:YAG laser
2013
An efficient eye-safe gray-trace resistance-KTP (GTR-KTP) intracavity optical parametric oscillator (IOPO) excited by a diode-end-pumped Q-switched Nd:YAG laser was demonstrated. Under a laser diode power of 11.4 W, a maximum average output power of 1.2 W at 1572 nm was obtained at a repetition rate of 15 kHz, corresponding to a diode-to-signal conversion efficiency of 10.5%. As for the common KTP IOPO under the same pump conditions and cavity design, a lower average output power of 0.96 W was obtained. Consequently, the corresponding GTR-KTP OPO conversion efficiency was increased by 25% compared with that obtained in common KTP IOPO.
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