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pulse time width
Vertaling van "pulse time width" in Chinees
A pulse time width of the light pulses after being transmitted through the wavelength selecting means 200 is 0.42 picoseconds.
通过波长选择装置200传输之后的光脉冲的脉冲时间宽度为0.42皮秒。
Therefore, one of the performance indices of the ultrashort light pulse light source may be the small pulse time width.
因此，超短光脉冲光源的其中一个性能指数可为小脉冲时间宽度。
In order to solve the problem that it is difficult to decrease the pulse time width due to such chirping, there is a method of providing a dispersion compensation optical system in an external resonator.
为了解决这种线性调频脉冲造成的难以减小脉冲时间宽度的问题，提供了一种在外部谐振器内提供色散补偿光学系统的方法。
In contrast, in a passive mode-locked semiconductor laser device, the pulse time width of a current injection type quantum well laser is generally about 1 picosecond to 2 picoseconds.
相反，在被动锁模半导体激光装置中，电流注入式量子阱激光器的脉冲时间宽度一般约为1皮秒至2皮秒。
From the above results, if the shortest pulse time width is to be obtained, it is necessary to decrease a negative group velocity dispersion (group velocity dispersion) in a certain range.
根据上述结果，如果获得最短脉冲时间宽度，需要将负群速度色散（群速度色散）下降到特定范围内。
The frequency variation is called chirping, and if the chirping is strong, it is difficult to align phases of the respective frequencies of the light pulses circling the inside of a resonator and to decrease the pulse time width.
该频率变化被称为线性调频脉冲，如果线性调频脉冲较强，难以将在谐振器内部循环的光脉冲的各个频率的相位对准，难以减小脉冲时间宽度。
Further, since the repetition frequency of laser pulses becomes twice at the border where a gain current value is 120 milliamperes, the oscillation characteristic is changed, and variations in the pulse time width B are discontinuous at the border of the current value.
进一步，由于激光脉冲的重复频率在增益电流值为120毫安的边界上变成两倍，改变了振荡特性，脉冲时间宽度B在电流值的边界上断续变化。
Therefore, by setting an appropriate dispersion compensation amount (group velocity dispersion), more specifically, appropriately setting the distance L, only the main pulse can be generated, and the pulse time width can be made as short (narrow) as possible.
因此，通过设置适当的色散补偿量（群速度色散），更特别地，通过适当地设置距离L，仅可生成主脉冲，脉冲时间宽度可尽可能短（窄）。
The mode locking method includes active mode locking in which gain or loss is modulated at the same cycle as the lap time in a resonator and passive mode locking in which a saturable absorber showing a nonlinear optical response is provided in the semiconductor laser device and is operated, and the passive mode locking is suitable to generate light pulses with a pulse time width of about several picoseconds or less.
锁模方法包括主动锁模和被动锁模，在主动锁模中，增益或损失以与单圈时间相同的周期在谐振器内调制，在被动锁模中，在半导体激光装置中提供和运行显示非线性光学响应的可饱和吸收体，被动锁模适用于生成具有约几皮秒或以下的脉冲时间宽度的光脉冲。
In addition, in the semiconductor laser apparatus assembly related to the second aspect of the present disclosure, since a relationship between a group velocity dispersion of the dispersion compensation optical system and a pulse time width of laser light output to the outside of the system from the mode-locked semiconductor laser device is defined, stable light pulses of subpicoseconds can be reliably generated, and noise can be reduced in the generated light pulses.
另外，在与本发明的第二方面有关的半导体激光器组件中，由于定义了色散补偿光学系统的群速度色散与锁模半导体激光装置输出到系统外部的激光的脉冲时间宽度之间的关系，可以可靠地生成稳定亚皮秒光脉冲，并可降低生成的光脉冲中的噪声。
In an embodiment, generating the optical pulse having a pulse time width on order of a femtosecond is further provided.
在一个实施例中，进一步提供了生成具有约一飞秒的脉冲时间宽度的光脉冲的步骤。
In recent years, an ultrashort pulse and ultrahigh output laser, which uses laser light of which a pulse time width is in attoseconds or femtoseconds has been increasingly used in advanced scientific research.
近年来，先进科学研究中越来越多地使用具有阿秒或飞秒级激光脉冲时间宽度的超短脉冲和超高输出激光器。
A titanium/sapphire laser of the passive mode locking which generates light pulses with a pulse time width of about 10 femtoseconds is available in the market.
可生成脉冲时间宽度约为10飞秒的光脉冲的被动锁模钛/蓝宝石激光器在市场上有销售。
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