| Diode-pumped self-starting mode-locked femtosecond Yb:YCa4O（BO3）3laser |
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| 引用本文： | 高子叶,朱江峰,田文龙,王军利,王庆,张治国,魏志义,于浩海,张怀金,王继扬.Diode-pumped self-starting mode-locked femtosecond Yb:YCa4O（BO3）3laser[J].中国物理 B,2014(5):311-314. |
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| 作者姓名： | 高子叶 朱江峰 田文龙 王军利 王庆 张治国 魏志义 于浩海 张怀金 王继扬 |
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| 基金项目： | Project supported by the National Natural Science Foundation of China(Grant No.61205130);the National Key Scientific Instruments Development Program of China(Grant No.2012YQ120047);the Fundamental Research Funds for the Central Universities of Ministry of Education of China(Grant No.K5051305008) |
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| 摘 要： | A self-starting mode-locked femtosecond laser is accomplished with an oxoborate self-frequency doubling crystal Yb:YCa4O(BO3)3(Yb:YCOB) as the gain medium and a semiconductor mirror as the saturable absorber. Pumped by a976-nm fiber-coupled diode laser with 50-μm core diameter, stable mode-locked laser pulses up to 430 mW were obtained at a repetition rate of 83.61 MHz under 5-W pump power. The autocorrelation measurement shows that the pulse duration is as short as 150 fs by assuming the sech2pulse shape at a central wavelength of 1048 nm. This work has demonstrated a compact and reliable femtosecond laser source for prospective low-cost applications.
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Diode-pumped self-starting mode-locked femtosecond Yb:YCa_4O(BO_3)_3 laser |
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| Abstract: | |
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| Keywords: | diode pump Yb YCaO(BO) crystal femtosecond mode-locking |
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