| BBO晶体中飞秒脉冲的二次和三次谐波振荡产生 |
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| 引用本文： | 姚建铨,刘航.BBO晶体中飞秒脉冲的二次和三次谐波振荡产生[J].光学学报,1995,15(6):41-647. |
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| 作者姓名： | 姚建铨 刘航 |
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| 作者单位： | 天津大学精仪系，宾夕法尼亚大学电机工程系，新奥尔良大学物理系 |
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| 摘 要： | 同时考察了群速色散失配、最低阶群速色散和二阶群速色散。研究了在ＢＢＯ晶体中飞秒激光脉冲的谐产生，计算了ＢＢＯ晶体的作为波长函数的晶体的最低阶和二谐群速色散，借助求解改进的耦合波方程的数值计算，得到了飞秒脉冲的二次及三次谐波辐射，分析了最低工阶及二阶ＧＶＤ对于基波脉冲和谐波脉的影响，最后考虑了三次谐波产生中群速失配的补偿。
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| 关 键 词： | 群速色散 飞秒脉冲 谐波 BBO晶体 |
| 收稿时间： | 1994/2/25 |
Femtosecond Pulse-Second and Third Harmonic Generation with BBO |
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| Yao Jianquan.Femtosecond Pulse-Second and Third Harmonic Generation with BBO[J].Acta Optica Sinica,1995,15(6):41-647. |
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| Authors: | Yao Jianquan |
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| Abstract: | Harmonic generation in BBO by femtosecond laser pulses is studied, taking into account both group velocity mismatch, lowest order group velocity dispersion (GVD) and second order GVD. The lowest and second order GVD of BBO as a function of wavelength is calculated. Second and third harmonic radiation with femtosecond laser pulses is computed by numerically solving the improved coupled wave equations. The effects of the lowest oder GVD and second order GVD on fundamental and harmonic pulses are analyzed. The compensation of group velocity mismatch for third harmonic generationis considered. |
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| Keywords: | group velocity dispersion femtosecond pulse harmonic generation |
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