Li Daijun, Ma Zhe, Haas Rüdiger, Schell Alexander, Simon Janosch, Diart Robert, Shi Peng, Hu Peixin, Loosen Peter, Du Keming
Edgewave GmbH, Innovative Laser Solutions Schumanstrasse18B, Würselen, Germany.
Opt Lett. 2007 May 15;32(10):1272-4. doi: 10.1364/ol.32.001272.
We demonstrate a diode-pumped electro-optical Q-switched slab laser with a high optical efficiency, high pulse energy, and short pulse width with two Nd:YLF crystals inside one resonator. The single compact slab resonator can generate a 1D top-hat beam at both the far field and the near field. With a slab-geometry-design lithium triborate (LBO) crystal, efficient critical phase-matching second-harmonic generation for a 1D top-hat beam with multiple transverse modes is achieved.