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    • 3. 发明申请
    • LASER LIGHT-SOURCE APPARATUS AND LASER PULSE LIGHT GENERATING METHOD
    • 激光光源装置和激光脉冲发光方法
    • WO2015122374A3
    • 2015-10-15
    • PCT/JP2015053458
    • 2015-02-09
    • SPECTRONIX CORP
    • OKADA JOJIORII YOSUKE
    • H01S3/10G02F1/37H01S3/067H01S3/131H01S5/12
    • H01S3/10007H01S3/0064H01S3/0085H01S3/0092H01S3/06716H01S3/06758H01S3/094003H01S3/094076H01S3/09415H01S3/1003H01S3/1068H01S3/108H01S3/1611H01S3/1618H01S3/1666H01S3/1673H01S3/2316H01S3/2333H01S3/2375H01S5/06216H01S5/12H01S2301/02
    • This relatively inexpensive, compact laser light source device improves energy utilization efficiency when amplifying pulse light with a solid state amplifier and removes heat-generating loss of the amplifier, and comprises: a seed light source (10); a fiber amplifier that amplifies the pulse light output from the seed light source using gain switching; a solid-state amplifier that further amplifies that output; a non-linear optical element that performs wavelength conversion on the pulse light outputted from the solid-state amplifier; a light-switching element (40) which reduces ASE noise and which is positioned between the fiber amplifier (30) and the solid-state amplifier (50); and a control unit (100). The control unit controls the light-switching element so as to allow the propagation of light during the output of pulse light from the seed light source and hinder the propagation of light while pulse light is not being output, and cyclically or intermittently controls the excitation light source of the fiber amplifier and/or the solid-state amplifier in such a manner that the fiber amplifier and/or the solid-state amplifier inverts the pulse light output from the seed light source before input.
    • 这种相对便宜的紧凑型激光光源装置在用固态放大器放大脉冲光时提高了能量利用效率,并且消除了放大器的发热损失,并且包括:种子光源(10); 光纤放大器,利用增益切换放大从种子光源输出的脉冲光; 固态放大器,进一步放大该输出; 对从固态放大器输出的脉冲光进行波长转换的非线性光学元件; 光隔离元件(40),其减少ASE噪声并位于光纤放大器(30)和固态放大器(50)之间; 和控制单元(100)。 控制单元控制光开关元件,以便在来自种子光源的脉冲光的输出期间允许光的传播,并且在脉冲光不被输出时阻碍光的传播,并循环或间歇地控制激发光 光纤放大器和/或固态放大器的源极,使得光纤放大器和/或固态放大器在输入之前反转从种子光源输出的脉冲光。
    • 4. 发明申请
    • HIGH POWER FIBER LASER SAFETY CONTROL SYSTEM
    • 高功率光纤激光安全控制系统
    • WO2015134635A1
    • 2015-09-11
    • PCT/US2015/018778
    • 2015-03-04
    • IPG PHOTONICS CORPORATION
    • VOLODEN, ValentinGUSKOV, Sergey
    • H01S3/13H01S3/067
    • H01S3/067H01S3/0912H01S3/094003H01S3/094042H01S3/094076H01S5/4025H01S5/42
    • A laser safety control system is configured with a power source module directly coupled to an AC source. The power source module includes a galvanically isolated DC/DC converter, which has at least one output capacitor, and a safety mechanism. The safety mechanism is configured with first and second safety channels which operate independently from one another so as to switch the normal operating regime of the power source module to the safe regime. In the normal operating regime, its DC output has a high voltage, whereas in the safe regime the DC output has a low voltage lower than the high voltage. The safety channels each include a shutdown circuit and a discharging circuit. The shutdown circuit is operative to switch the DC/DC converter off. The discharging circuit is operative to discharge the output capacitor below to the desired. The switching off DC/DC converter and discharging of the output capacitor define the safe regime of the power source module. The laser safety control system further includes a high power fiber laser system and a laser pump system which receives the DC output from the power source and is prevented from radiating emission in the safe regime of the power source because in the safe regime the low voltage is insufficient for generation the laser emission.
    • 激光安全控制系统配置有直接耦合到AC电源的电源模块。 电源模块包括具有至少一个输出电容器和安全机构的电隔离DC / DC转换器。 安全机构配置有彼此独立操作的第一和第二安全通道,以便将电源模块的正常操作状态切换到安全状态。 在正常工作状态下,其直流输出具有高电压,而在安全状态下,直流输出的电压低于高电压。 安全通道各自包括关断电路和放电电路。 关断电路用于切断DC / DC转换器。 放电电路用于将输出电容器放电到所需的值。 关闭DC / DC转换器和输出电容器的放电定义了电源模块的安全状态。 激光安全控制系统还包括高功率光纤激光器系统和激光泵系统,其接收来自电源的DC输出,并且防止在电源的安全状态中辐射发射,因为在安全状态下,低电压是 不足以产生激光发射。
    • 5. 发明申请
    • 波長変換装置
    • 波长转换器
    • WO2015125635A2
    • 2015-08-27
    • PCT/JP2015/053461
    • 2015-02-09
    • スペクトロニクス株式会社
    • 岡田 穣治折井 庸亮松原 聖治
    • G02F1/37
    • G02F1/37G02F1/3501G02F2001/3505G02F2001/3507H01S3/0064H01S3/0085H01S3/0092H01S3/06758H01S3/094003H01S3/094076H01S3/09415H01S3/10007H01S3/1611H01S3/1618H01S3/2316H01S3/2333H01S3/2375H01S5/06216H01S2301/02
    •  光学素子等が外気に晒されて劣化するような事態を極力回避して、非線形光学素子の交換作業を速やかに行なうことができる波長変換装置1Fで、ケーシング700が隔壁730を介して領域分割され、一方に入射窓720が設けられ、方に出射窓750が設けられる。非線形光学素子70が収容された収容部80と、収容部を着脱自在に固定するとともに入射窓720から入射したレーザ光の光軸と直交する方向に非線形光学素子70を収容部と一体に移動させるステージ71と、収容部80から出射して隔壁に形成した開口740を通過したレーザ光を出射窓750に導く光学系M5,M6と、収容部と隔壁に形成された開口740とを接続するフレキシブルチューブ800とを備え、パージガス供給部910から収容部80に供給されたパージガスがフレキシブルチューブを介してケーシングの他方の領域に供給される。
    • 如尽可能的光学元件避免的情况,当暴露于环境空气,使得降解,在波长转换装置1F它可以快速地进行,并且更换非线性光学元件的,壳体700 分隔壁通过分隔壁730分隔,分隔壁730中的一个设置有入口窗720,另一个设置有出口窗750。 用于非线性光学元件70的容纳部80被容纳于移动非线性光学元件70与壳体一体部分可拆卸垂直的方向固定到壳体部入射的激光的从入口窗720的光轴 柔性连接的台71,一个光学系统M5,M6导致穿过形成在分隔壁上的孔740中的激光束的出射窗750被从壳体部80和形成在壳体部分中的开口740和隔壁发射 以及管800.从净化气体供应单元910供应到壳体单元80的净化气体经由挠性管供应到壳体的另一区域。

    • 7. 发明申请
    • LASER CONTROL SYSTEM AND METHOD
    • 激光控制系统和方法
    • WO2015006867A1
    • 2015-01-22
    • PCT/CA2014/050670
    • 2014-07-15
    • ATTODYNE, INC.
    • KRAEMER, DarrenFORTIN, Tom
    • H01S3/10H01S3/13
    • H01S3/10069H01S3/005H01S3/0085H01S3/094076H01S3/10015H01S3/10038H01S3/1301H01S3/1305H01S3/2308
    • A laser control system, control circuit, and method. A master oscillator laser generates a seed laser pulse train. An optical modulator receives the pulse train and modulate the pulse train based on a modulation signal to generate modulated seed pulses. A laser amplifier amplifies the modulated seed pulses to generate an amplified pulse sequence output. A control circuit controls the operation of the optical modulator. The control circuit receives a clock signal synchronized with the seed laser pulse train and a trigger input for asynchronous modulation of the seed laser pulse train, generates the modulation signal, and communicates the modulation signal to the optical modulator. The modulation signal controls the optical modulator to selectively transmit and attenuate seed pulses from the seed laser pulse train to produce modulated seed pulses corresponding to the trigger input and attenuated to maintain a predetermined amplitude envelope in the pulse sequence output.
    • 激光控制系统,控制电路和方法。 主振荡器激光器产生种子激光脉冲串。 光调制器接收脉冲串并且基于调制信号调制脉冲序列以产生调制的种子脉冲。 激光放大器放大调制的种子脉冲以产生放大的脉冲序列输出。 控制电路控制光调制器的操作。 控制电路接收与种子激光脉冲串同步的时钟信号和用于种子激光脉冲串的异步调制的触发输入,产生调制信号,并将调制信号传送到光调制器。 调制信号控制光调制器以选择性地发射和衰减来自种子激光脉冲串的种子脉冲,以产生对应于触发输入的调制种子脉冲,并被衰减以在脉冲序列输出中保持预定的幅度包络。