Laser-diode end-pumped intracavity frequency doubling semiconductor saturable absorber mirror passively mode-locked picosecond lasers |
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| Authors: | QS Pang J Fu LZ Xu WR Guo G Li |
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| Institution: | a Laser Engineering College, Beijing University of Technology, Beijing 100022, Chinab Academy of Armored Force Engineering, Beijing 100072, China |
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| Abstract: | A diode pumped Nd:YVO4 semiconductor saturable absorber mirror (SESAM) passive mode-locked intracavity frequency doubled laser was studied. A type II phase matching KTiOPO4(KTP) crystal and a type I phase matching LiB3O5 (LBO) frequency doubling crystal were respectively inserted in the cavity. With a pump power of 4.5 W, a 90 mW output of frequency doubled beam and 29.7 ps pulse duration were achieved with frequency doubled by KTP. With the same pump power a 140 mW output of frequency doubled beam and 3.67 ps pulse duration were achieved with LBO. |
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| Keywords: | Diode-pumped KTP LBO SESAM |
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