| Polarized operation of Yb~(3+):YAl_3(BO_3)_4 CW and mode-locked lasers |
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| 作者姓名： | 宋晏蓉 王清月 |
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| 作者单位： | School of Applied Science Beijing University of Technology，Beijing 100022，School of Precision Instrument and Optoelectronics Engineering University of Tianjin，Tianjin 300072 |
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| 基金项目： | This work was supported by the Beijing elitist fund and Ph. D. fund from Beijing University of Technology. |
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| 摘 要： | A diode-pumped Yb3+:YAl3(BO3)3 (Yb:YAB) laser system was demonstrated with continuous wave (CW) and pulsed output. The polarized CW outputs and femtosecond mode-locked lasers with semiconductor saturable-absorber mirrors (SESAM) at the fundamental wavelength were measured. For the CW output, polarization ratios were 88.1% (for e-ray) and 87.2% (for o-ray). For the mode-locked system, polarization ratio reached 38.5%, and the repetition frequency was 117.6 MHz.
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