• The experimental results show that a bigger diffraction efficiency delay rate can make the establishing time of the laser pulse and the pulse width shorter, and make the peak power higher.

    实验结果表明,在一定范围内增大衍射延迟速率可以缩短脉冲建立时间,缩短脉冲宽度增加峰值功率

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  • In this paper, we got the regularity of cavity ring-down spectroscopy when the line width of laser pulse is far larger than the absorption line width of measured substance.

    本文研究了当激光脉冲线远大于被测吸收物质吸收线宽光谱满足规律,以及在这种情况下,测量灵敏度的大小。

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  • Adjusting the pulse width of the laser to the thermal relaxation time of the absorbing construction can avoid thermal side effects and facilitate a selective treatment of the selective cells.

    激光调整吸收颗粒弛豫时间一致可以避免副作用,可细胞产生选择性处理

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  • In addition, the changes of the laser pulse width and pulse frequency to affect the weld width were investigated.

    此外,对激光脉冲宽度脉冲频率焊缝宽度影响了深入研究。

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  • In order to meet the needs of variable pulse width, frequency and power for laser fuze, a model of the LD driver circuit is built up based on its principle.

    为了满足引信用脉冲式半导体激光器驱动电路脉冲宽度可调、频率可调、功率可调需要根据LD驱动电路工作原理建立LD驱动电路的一般模型,并进行了仿真分析。

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  • The essay expounds the operation principle of the instrument of alterable pulse width YAG Laser hair removal, the complete instrument structure and the key specification.

    介绍了可调YAG激光脱毛工作原理整机结构关键技术指标

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  • The upper limit of the spatial resolution of the system is determined by the width of the input laser pulse.

    入射激光脉冲宽度决定系统空间分辨率上限

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  • The operating distance of a laser radar system is determined on pulse energy, pulse width, beam divergence angular, atmosphere attenuation, target reflection, receiver sensitivity and so on.

    激光雷达系统作用距离下列因素决定:脉冲能量、脉冲宽度光束发散大气衰减目标反射率接收机灵敏度等。

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  • The focus is given to the influence of pumping power, cavity length, the output coupler transmission and initial transmission on the repetition rate, pulse width and output power of laser output.

    着重研究功率输出透过以及初始透过率等因素激光输出脉冲序列重复率、脉冲宽度以及输出功率的影响

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  • The results show that the rational combination of welding parameters such as the laser power density, the welding speed, the pulse frequency and pulse width influence the quality of the weld beam.

    焊接过程中合适保护气体及其送气方式也是十分必要。大量试验表明,激光功率密度、焊接速度脉冲宽度脉冲频率四个参数合理组合是实现不锈钢薄板焊接关键因素。

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  • How to enhance the energy of each pulse? This is a question that the width-pulse laser renewed unceasingly and progressing unceasingly wants to reply.

    如何大幅度提高每个脉冲能量脉冲激光器不断更新、不断进步要解决问题

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  • The on-line detection of the laser shock processing effect is performed by detecting the amplitude and pulse width of the shock wave spreaded in the air.

    发明通过检测空气传播冲击波振幅脉冲宽度实现激光冲击强化效果在线检测。

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  • A programmable pulse signal generator is used for controlling laser frequency, pulse width and power, when the laser pulse is controled by a computer, it can generate a series of laser pulses.

    可编程脉冲信号发生器控制激光脉冲的频率宽和功率使激光脉冲在微机控制下可组成各种激光脉冲序列

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  • The article gives a design scheme of linear laser receiver with narrow pulse width and large dynamic range which is proved to be effective in a practical project.

    提出一套线性接收系统设计方案,特点动态范围脉冲宽度。依据此方案设计出来的接收机实用中显示出了良好的性能。

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  • The detailed principle of detection is presented. The relationship of range accuracy and signal-to-noise ratio with laser power, telescope diameter, and pulse width are numerically simulated.

    详细讨论了这种方法实现方案,并方案中的激光发射功率望远镜口径以及脉冲宽度对距离精度比的影响进行数值模拟。

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  • It was found that the laser transfer in a long distance causes evolution of laser parameters. Laser power, laser pulse shape, pulse width and time ste...

    深入研究了激光在厚介质传输引起激光参数变化,以及激光功率脉冲形状、脉冲宽度、三束激光的时间不同步对电离几率的影响。

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  • It can be used to measure the peak power of diode laser directly. with the characters of digital display, high accuracy, large power range, wide pulse width and output port of waveform monitor.

    直接应用于脉冲半导体激光峰值功率测试,并数字显示具有中间环节少、测量精度、适用功率范围范围,具有波形监测接口特点

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  • Based on the laser oscillation requirements, this paper discusses the condition for increasing pulse-width of excimer laser. In principle, CW operation of excimer laser can be obtained.

    本文根据激光振荡条件讨论分子激光器增大激光脉冲宽度条件

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  • The results show that the threshold distance of SRRS decreases with increasing the intensity and the pulse width of the pump laser.

    研究结果表明SRRS效应阈值距离随着泵浦光强度增大而变短;

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  • The result indicates that the single pulse energy and the Angle of divergence of output laser decrease, but the pulse width of output laser increases with the increase of the OPO cavity length.

    结果表明随着OPO长的增加脉冲输出能量光束发散减少脉冲宽度增加

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  • The results show that the kerf width increases with the increase of laser power, pulse frequency, pulse width and assist gas pressure, but decreases with the increase of cutting speed.

    结果表明输出功率频率辅助增大增加,随着切割速度增加而减小

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  • We also present the performances and indices of the devices made of these crystals. Finally, we introduce the use of LBO, BBO, KTP crystals in OPO and FS pulse-width laser measurements.

    介绍这些晶体制成非线性光学器件性能指标最后介绍LBOBBOKTP晶体光学参量振荡和在“飞激光测量上的应用。

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  • Respectively, the width-pulse laser beam measured the output of the devices, methods and test results have been survey by the laser beam analyzing system.

    然后分别描述了光束质量分析仪器对宽脉冲激光器输出光束进行测量装置方法测试结果

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  • An intelligent instrument used for measuring the width of ultrashort laser pulse is presented. Combining with a noricollinear SHG correlator, time resolution of 0.1 psec or better can be obtained.

    智能化激光脉冲宽度测量与非共线二次谐波相关仪相结合,获得0.1微微秒时间分辨率

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  • The experiments show that with large pulse width and high repetition rate of pump pulse, the dependent jitter scope of output laser pulse with pump pulse is increased.

    结果表明时抽运宽和重复较大情况下,输出激光脉冲相对于抽运脉冲抖动范围明显加大。

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  • With the color deepening of lesions, it can choose different wavelengths of laser, combined with increasing the pulse width and energy density properly.

    随着病灶颜色加深,临床激光治疗时选择不同波长激光器,适当增加宽和能量密度等

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  • To overcome the defects of static adjust through collimator, 2 new dynamical adjusting methods of tilt angle such as pulse width for radial and laser spot offset control for tangentia are proposd.

    为了克服常规采用准直仪静态调整缺陷,本文提出分别基于径向脉冲宽度切向反射光斑偏移新型倾角动态调整方法,推导了倾角调整公式,探讨了动态调整原理的工程化实现方法。

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  • To overcome the defects of static adjust through collimator, 2 new dynamical adjusting methods of tilt angle such as pulse width for radial and laser spot offset control for tangentia are proposd.

    为了克服常规采用准直仪静态调整缺陷,本文提出分别基于径向脉冲宽度切向反射光斑偏移新型倾角动态调整方法,推导了倾角调整公式,探讨了动态调整原理的工程化实现方法。

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