| CW Nd: YAG激光器中Cr~(4 ): YAG被动调Q的实验研究 |
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| 引用本文： | 王明伟,邢岐荣,王清月,徐军,乔景文,邓佩珍.CW Nd: YAG激光器中Cr~(4 ): YAG被动调Q的实验研究[J].中国激光,1998,25(10):872-876. |
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| 作者姓名： | 王明伟 邢岐荣 王清月 徐军 乔景文 邓佩珍 |
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| 作者单位： | 天津大学精密仪器与光电子工程学院教育部光电信息技术科学开放实验室，中国科学院上海光机所 |
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| 摘 要： | 对Ｃｒ４＋ＹＡＧ被动调ＱＣＷＮｄＹＡＧ激光器的重复频率和脉冲宽度与输出功率的关系作了系统的实验研究。用Ｃｒ４＋ＹＡＧ作为可饱和吸收体在ＣＷＮｄＹＡＧ激光器中获得了重复频率为２．２～１０ｋＨｚ，脉宽为１２０～９００ｎｓ的稳定的调Ｑ序列脉冲输出。不同初始透过率的Ｃｒ４＋ＹＡＧＱ开关对应不同范围的重复频率和脉宽。观察到了调Ｑ脉冲包络中的调制现象并给出了合理的解释。
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| 关 键 词： | Cr~(4＋)YAG，被动调Q，可饱和吸收体，锁模，拍频 |
| 收稿时间： | 1997/11/24 |
Experimental Study on a CW Nd:YAG Laser Q switched by Cr4+:YAG Absorber |
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| Wang Mingwei,Xing Qirong,Wang Qingyue.Experimental Study on a CW Nd:YAG Laser Q switched by Cr4+:YAG Absorber[J].Chinese Journal of Lasers,1998,25(10):872-876. |
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| Authors: | Wang Mingwei Xing Qirong Wang Qingyue |
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| Abstract: | An experimental study on the relation between repetition rate, pulse width and average output power of a CW pumped Nd:YAG laser Q switched by a Cr 4+ :YAG absorber was carried out. Stable Q switched pulses with duration of 120￣900 ns wide (FWHM) and repetition rates between 2.2 and 10 kHz were obtained by using different absorbers of different initial transmissions. Modulation in the Q switched envelope was found and an explanation was given. |
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| Keywords: | Cr 4+ :YAG passive Q switching saturable absorber mode locking beat frequency |
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