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低功率泵浦Ti:Al2O3自锁模激光器 总被引:2,自引:0,他引:2
本文报道了低功率泵浦的Ti:Al2O3激光器实现了稳定的自锁模运转,锁模脉冲宽度为180fs。分析了激光器的结构及工作特性。 相似文献
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An optical ultra-short pulse train with a duration of 2.9 ps was successfully generated from a passively mode-locked laser diode. The time-bandwidth product was 0.43, and it was very close to the transformlimited value of a Gaussian waveform. The highest peak power of 10 mW in an InP-based passively mode-locked laser has been achieved. The laser is promisng as an optical source for an ultra-high-speed bit rate transmission system, especially for the optical time division multiplexing (OTDM) system. 相似文献
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Absence of Charge-Resonance-Enhanced Ionization in Attosecond Pulse Photoionization: Numerical Result on One-Dimensional H2^+ 下载免费PDF全文
We present a numerical result of photoionization rate for the one-dimensional molecular hydrogen ion model exposed to intense light of 1 × 10^16-2×10^16 W/cm^2, 55-as pulse duration, and 800nm wavelength. In contrast to the previous calculation result of charge-resonance-enhanced ionization for lower intensity and much longer pulse, our result exhibits an ionization saturation. The numerical results are interpreted in the field-dressed potential picture as over-the-barrier liberation of electrons. This extremely short pulsewidth and relatively high field phenomenon requests experimental demonstration. 相似文献
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采用10GHZ基准时钟光和10Gbit/s的数据脉冲信号光注入到锁模激光二极管,降低了周期抖动,当注入功率为-5dBm,在基准时钟光波长等于锁模激光二极管的光波长时,获得的最小抖动为0.25ps,采用给锁模激光二极管,在注入功率为+27dBm时,其Q值达3000。 相似文献
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本文使用一维双列氢原子团簇模型对强激光场中的团簇动力学过程进行了数值模拟。计算所得的质子最大动能和能谱均与他人的计算或实验结果符合较好,但计算大为简化。表明本文所述模型适用于氢原子团簇模拟。本文亦根据逸出质子数量随入射激光强度变化的规律总结出一个描述团簇库仑爆炸的光强阈值公式。 相似文献