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    • 1. 发明公开
    • 파장변환장치
    • 波长转换器件
    • KR1020060135788A
    • 2006-12-29
    • KR1020067017379
    • 2005-02-04
    • 포토-피직스 라보레토리 인코포레이티드사이버 레이저 가부시끼가이샤
    • 오쿠노,타다시와타나베,아키라
    • G02F1/37G02F2/00
    • G02F1/3544G02F2001/3546
    • A wavelength conversion device performs adjustment so as to stabilize the energy conversion efficiency from a to- be-converted light into a converted light and maintain maximum efficiency. The wavelength conversion device includes: a laser light source (10) for generating a basic wave light; a non-linear optical crystal (16) for introducing the basic wave light and generating a converted light; and an optical path adjustment unit (30) for adjusting the propagation direction of the basic wave light and the position of the light flux of the basic wave light in order to input the basic wave light while satisfying the phase matching condition with the non-linear optical crystal. The optical path adjustment unit includes a first reflection mirror (12) and a second reflection mirror (14). The first reflection mirror has an adjustment unit driven by motors (M1, M2) and the second reflection mirror has an adjustment unit driven by motors (M3, M4). Moreover, the wavelength conversion device include: a translucent mirror (18) for extracting a part of an output light (17) by dividing it; and a photo-detector (22) for detecting the divided light. An electric signal (23) outputted from the photo-detector is inputted to adjustment value calculation means (26), where a necessary adjustment value of adjustment place of the optical path adjustment unit is calculated by the fuzzy reasoning and the calculation result is outputted to an optical path adjustment unit control device (28). The optical path adjustment unit control device adjusts the optical path according to an output signal (27) from the adjustment value calculation means.
    • 波长转换装置进行调整,以将来自转换后的光的能量转换效率稳定为转换光,并保持最大效率。 该波长转换装置包括:用于产生基本波光的激光源(10); 用于引入基波光并产生转换光的非线性光学晶体(16); 以及光路调整单元(30),用于调节基波光的传播方向和基波光的光束的位置,以输入基波光,同时满足与非线性的相位匹配条件 光学晶体。 光路调整单元包括第一反射镜(12)和第二反射镜(14)。 第一反射镜具有由马达(M1,M2)驱动的调节单元,第二反射镜具有由马达(M3,M4)驱动的调节单元。 此外,波长转换装置包括:用于通过分割输出光(17)的一部分提取的半透明反射镜(18); 以及用于检测分割光的光检测器(22)。 从光检测器输出的电信号(23)被输入到通过模糊推理计算出光路调整单元的调整位置的必要调整值的调整值计算单元(26),输出计算结果 光路调整单元控制装置(28)。 光路调整单元控制装置根据来自调整值计算装置的输出信号(27)来调整光路。
    • 3. 发明公开
    • 레이저 펄스 발생 장치 및 방법 및 레이저 가공 장치 및 방법
    • 激光脉冲发生器和方法以及激光工作装置和方法
    • KR1020090018165A
    • 2009-02-19
    • KR1020087031681
    • 2007-05-18
    • 사이버 레이저 가부시끼가이샤
    • 스미요시데츠쯔지카와스스무안도테츠오
    • H01S3/131H01S3/109H01S3/117
    • H01S3/117H01S3/094076H01S3/09415H01S3/109H01S3/1312
    • Provided is a stabilized laser working apparatus for stabilizing and emitting the pulse output of a solid laser to a workpiece thereby to work the workpiece finely. The laser working apparatus comprises an excitation laser oscillator (46) for optically exciting a Q-switch element (6) and a laser medium (5), which are disposed in a laser oscillator, in advance, and a laser oscillator (41) for irradiating the excitation density of an upper level in the laser medium for a predetermined period with a laser wavelength other than that of an oscillation object, thereby to de-excite and reduce the upper level density. After the de-excitation in the laser resonator, the Q-switch element (6) is set into a laser oscillation blocking (or closed) state, and the optical excitation of the upper level is performed to perform an energy storage of the laser medium for a predetermined period. Next, the Q-switch element (6) is switched to the laser oscillating (ON) state thereby to oscillate and output Q-switch pulses, so that the homogeneous Q-switch pulse outputs for every pulses are introduced to work the workpiece finely irrespective of the Q-switch pulse oscillation interval.
    • 提供了一种用于稳定并将固体激光器的脉冲输出发射到工件的稳定的激光加工装置,从而使工件精细地工作。 激光加工装置包括用于光学激发设置在激光振荡器中的Q开关元件(6)和激光介质(5)的激发激光振荡器(46)和激光振荡器(41),用于 用激光波长不同于振荡对象的激光照射激光介质中的上位激发密度达预定周期,从而去激发和降低上层密度。 在激光谐振器中的去激励之后,Q开关元件(6)被设置成激光振荡阻挡(或闭合)状态,并执行上电平的光激发以执行激光介质的能量存储 预定时间。 接下来,Q开关元件(6)切换到激光振荡(ON)状态,从而振荡并输出Q开关脉冲,从而引入用于每个脉冲的均匀的Q开关脉冲输出以精细地工作工件 的Q开关脉冲振荡间隔。
    • 4. 发明公开
    • 레이저 가공장치
    • 激光加工设备
    • KR1020070119303A
    • 2007-12-20
    • KR1020060053760
    • 2006-06-15
    • 사이버 레이저 가부시끼가이샤
    • 오쿠노,마사시와타베,아키라
    • B23K26/042B23K26/70
    • A laser machining apparatus is provided to be able to cope with machining accuracy of not more than a nanometer unit by disposing an optical axis position detector for monitoring an optical axis position of laser beams and correcting an optical axis error of the laser beams that are irradiated onto a workpiece. A laser machining apparatus(1) comprises: a light source(2) that outputs a laser beam; a light path adjusting part(4) that adjusts a light path of the laser beam; a first spectrometer(8) that separates the laser beam into laser beams; a movable stand(6) which has a predetermined movable region, and on which a workpiece is placed; a movable stand position detector(12) that detects position of the movable stand; a first optical axis position detector(10) that detects optical axis positions of the separated laser beams; a stage(7) on which the movable stand, the movable stand position detector and the first optical axis position detector are placed; and an optical axis control part(5) that adjusts optical axes of the separated laser beams by receiving an output from the first optical axis position detector, thereby controlling the light path adjusting part.
    • 提供激光加工装置,通过设置用于监测激光束的光轴位置的光轴位置检测器和校正被照射的激光束的光轴误差,能够应对不大于纳米单位的加工精度 到工件上。 激光加工装置(1)包括:输出激光束的光源(2); 调整激光束的光路的光路调整部(4); 将激光束分离成激光束的第一光谱仪(8); 具有预定的可动区域的可动支架(6),工件被放置在该可动支架上; 检测可动支架的位置的可动支架位置检测器(12); 第一光轴位置检测器(10),其检测分离的激光束的光轴位置; 其上放置有可动支架,可动支架位置检测器和第一光轴位置检测器的平台(7) 以及光轴控制部(5),其通过接收来自第一光轴位置检测器的输出来调整分离的激光的光轴,从而控制光路调整部。
    • 5. 发明公开
    • 레이저 펄스 발생 장치 및 방법
    • 激光脉冲发生器和发电方法
    • KR1020090100393A
    • 2009-09-23
    • KR1020097014652
    • 2008-01-11
    • 사이버 레이저 가부시끼가이샤
    • 이마호코토모히로스미요시테츠미
    • H01S3/109H01S3/11
    • H01S3/117H01S3/0604H01S3/08054H01S3/10038H01S3/10046H01S3/109
    • [PROBLEMS] To provide a stable pulse high repetition laser oscillator employing a laser medium of low amplification gain such as a thin planar shape. [MEANS FOR SOLVING PROBLEMS] A solid laser oscillator comprises at least a pair of laser resonators, a thin planar laser medium to which an active substance having an upper level life longer than the period of repetitive operation as a laser medium is added, a thin planar laser medium provided on at least one reflector in the laser resonator and a Q switch element provided in the resonator, a pumping source for pumping the laser medium optically, and a control section for driving the Q switch element. The control section starts oscillation with the Q switch element in on state and switches the Q switch to off during oscillation that allows the upper level density of active substance in the laser medium to remain, thus interrupting oscillation. Since the upper level pumping density is sustained such that a Q switch pulse can be oscillated when the Q switch is on, stable high repetition pulse oscillation can be achieved.
    • 提供采用低放大增益的激光介质(如薄平面形状)的稳定脉冲高重复激光振荡器。 解决问题的手段固体激光振荡器包括至少一对激光谐振器,薄平面激光介质,具有比作为激光介质的重复操作的周期长的上限寿命的活性物质,薄平面激光介质,薄的 提供在激光谐振器中的至少一个反射器上的平面激光介质和设置在谐振器中的Q开关元件,用于泵浦激光介质的泵浦源以及用于驱动Q开关元件的控制部分。 控制部分在Q开关元件处于导通状态时开始振荡,并且在振荡期间将Q开关切换到关闭状态,从而允许激光介质中的活性物质的上限密度保持,从而中断振荡。 由于上限泵浦密度持续,使得当Q开关接通时可以使Q开关脉冲振荡,可以实现稳定的高重复脉冲振荡。
    • 7. 发明公开
    • 출력 안정화 기구를 갖는 펨토초 레이저 장치
    • 具有输出稳定机构的FEMTOSECOND激光器件
    • KR1020060110834A
    • 2006-10-25
    • KR1020060035977
    • 2006-04-21
    • 사이버 레이저 가부시끼가이샤
    • 세끼따히또시다까사고가즈야나까따노부오나까무라아라따
    • H01S3/10
    • H01S3/005H01S3/1301H01S3/235
    • A femtosecond laser device having an output stabilizing mechanism is provided to extend a stabilized output period by mutually complementing outputs of an exciting laser and a reproduction amplifier. In a femtosecond laser device having an output stabilizing mechanism, a variable attenuator(3) controls output light(8) of a reproduction amplifier(2). Light detectors(4,5,11) are mounted between the reproduction amplifier(2) and the variable attenuator(3). The light detectors(4,5,11) detect the output light(8) of the reproduction amplifier(2) to transmit a detection result to a power controller(7). The power controller(7) stabilizes output by controlling the variable attenuator(3) according to a difference of a predetermined target value and the detection result.
    • 具有输出稳定机构的飞秒激光装置被提供以通过相互补充激励激光器和再现放大器的输出来延长稳定的输出周期。 在具有输出稳定机构的飞秒激光装置中,可变衰减器(3)控制再现放大器(2)的输出光(8)。 光检测器(4,5,11)安装在再现放大器(2)和可变衰减器(3)之间。 光检测器(4,5,11)检测再现放大器(2)的输出光(8),以将检测结果发送到功率控制器(7)。 功率控制器(7)通过根据预定目标值和检测结果的差来控制可变衰减器(3)来稳定输出。