We reported on a compact and efficient in-band pumped Nd:YVO4 partially pumped slab (Innoslab) picosecond amplifier. A new method for mode-matching was demonstrated to simplify the amplifier design. Integrating the benefits of the in-band pumping technique and the excellent thermal management of the Innoslab amplifier design, a 105 W, 8.4 ps laser output was achieved with near-diffraction limited beam quality of M(x)(2)=1.12 and M(y)(2)=1.09 in the orthogonal directions.
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Lin et al. (2012) studied this question.
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