1. So by this scheme, we extend the duration of driving pulse from 6fs to 12fs to generate single attosecond pulse.
从而扩展获得孤立阿秒脉冲所需脉宽从6飞秒到12飞秒。
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2. It is shown that by adopting particular combined pulse with 12 optical cycles, single attosecond pulse can be obtained.
研究发现，当采用12个光学周期的特定组合脉冲时，孤立阿秒脉冲可以实现。
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3. As an attosecond ultrafast modulation process, SFPB can be extended intrinsically to any sum-frequency of energy-levels.
SFPB作为一种阿秒超快调制过程，从理论上说它可以扩展到任何和频能级系统。
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4. Stress may be most readily associated with the attosecond pace of postindustrial society, but the body's stress response is one of our oldest possessions.
压力可能与后工业社会快节奏的生活有关，但是身体的压力反应系统自古便已存在。
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5. As an attosecond ultrafast modulation process, FASPB can be intrinsically extended to any level-summation systems of two dipolar forbidden excited states.
FASPB作为一种阿秒超快调制过程，从理论上说它可以扩展到任何两偶极禁戒跃迁激发态的能级和系统。
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6. Although the photoelectron spectrum contains the information of the number of pulses, an unambiguous determination of the number of attosecond pulses requires additional evidence.
虽然阿秒脉冲光谱中包含有脉冲个数的信息，但要想确定阿秒序列中脉冲的个数还需要更多的证明。
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7. Single isolated attosecond (as) extreme ultraviolet (XUV) pulses can be generated via the nonlinear optical interaction between intense few-cycle laser fields and noble gas atoms.
8. The new effects of phase-conjugation asymmetric attosecond sum-frequency polarization beat (ASPB) of twin composite color-locking stochastic fields in cascade three-level system are investigated.
研究了级联三能级系统中孪生色锁随机光场的相位共轭阿秒和频极化拍频(ASPB)不对称新效应。
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9. The new effects of phase-conjugation asymmetric attosecond sum-frequency polarization beat (ASPB) of twin composite color-locking stochastic fields in cascade three-level system are investigated.
