Abstract
An efficient high-energy, high-peak-power eye-safe optical parametric oscillator (OPO) at 1536 nm based on a noncritically phase-matched KTA crystal pumped by a quasi-cw diode side-pumped electro-optic Q-switched Nd:YAG laser is presented. The maximum output energy is 74.9 mJ, corresponding to an optical-to-optical conversion efficiency of 12.14% and an electrical-to-optical conversion efficiency of 4.73%. The pulse width (FWHM) is about 3.5 ns with a peak power of 21.4 MW. Moreover, the maximum electrical-to-optical conversion efficiency and optical-to-optical conversion efficiency are up to 4.94% and 15.6%, respectively.
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Zhong, K., Wang, Y.Y., Xu, D.G. et al. Efficient electro-optic Q-switched eye-safe optical parametric oscillator based on KTiAsO4 . Appl. Phys. B 97, 61–66 (2009). https://doi.org/10.1007/s00340-009-3476-1
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DOI: https://doi.org/10.1007/s00340-009-3476-1