期刊
OPTICS COMMUNICATIONS
卷 284, 期 16-17, 页码 4049-4051出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2011.04.046
关键词
70.020 (laser sources); 70.030 (ultrashort pulse generation); 70.050 (laser materials)
类别
Single-mode diodes enable a particularly simple, compact and effective pumping of solid-state laser devices for many specialized applications. We investigated a single-mode, 300-mW laser diode for pumping at 935 nm a Yb:YAG laser passively mode-locked by a semiconductor saturable absorber. Relatively short pulse generation (156 fs), tunable across 1033-1059 nm has been demonstrated. An optical-to-optical efficiency of about 28% has been obtained with 320 fs long pulses. Therefore, contrarily to what previously believed, compact diode-pumped ultrafast Yb:YAG oscillators can reliably and efficiently deliver pulses in the range of approximate to 100-200 fs with few tens of mW, which are very appealing for bio-diagnostics and amplifier seeding applications. (C) 2011 Elsevier B.V. All rights reserved.
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