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High-peak-power, high-repetition-rate LD end-pumped Nd:YVO4 burst mode laser

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Abstract

A compact high-peak-power, high-repetition-rate burst mode laser is achieved by an acousto-optical Q-switched Nd:YVO4 1064 nm laser directly pumped at 878.6 nm. Pulse trains with 10–100 pulses are obtained using acousto-optical Q-switch at repetition rates of 10–100 kHz under a pulsed pumping with a 1 ms duration. At the maximum pump energy of 108.5 mJ, the pulse energy of 10 kHz burst mode laser reaches 44 mJ corresponding to a single pulse energy of 4.4 mJ and an optical-to-optical efficiency of 40.5 %.The maximum peak power of ~468.1 kW at 10 kHz is obtained with a pulse width of 9.4 ns. The beam quality factor is measured to be M 2 ~1.5 and the pulse jitter is estimated to be less than 1 % in both amplitude and time region.

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Acknowledgments

This work was supported by the National Key Scientific Instrument and Equipment Development Projects of China (No. 2012YQ04016401), the Fundamental Research Funds for Central Universities (Grant No. HIT. NSRIF. 2015044 and 201165), General Financial Grant from the China Postdoctoral Science Foundation (Grant Nos. 2015M80263, 2014M560262 and 2013M531040), Special Financial Grant from the China Postdoctoral Science Foundation(Nos. 2014T70336 and 2015T80350), National Natural Science Foundation of China (NSFC) (61505042, 61405236 and 50990301).

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Correspondence to Xudong Li.

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Pan, H., Yan, R., Fa, X. et al. High-peak-power, high-repetition-rate LD end-pumped Nd:YVO4 burst mode laser. Opt Rev 23, 386–390 (2016). https://doi.org/10.1007/s10043-016-0213-y

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  • DOI: https://doi.org/10.1007/s10043-016-0213-y

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