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    • 1. 发明公开
    • 음향광학변조기를 이용한 레이저빔 제어방법
    • 使用光学调制器控制激光束的方法
    • KR1020120105680A
    • 2012-09-26
    • KR1020110023266
    • 2011-03-16
    • 주식회사 엘아이에스
    • 박홍진송주종엄태현김상호최영신
    • G02F1/11H01S3/117
    • G02F1/113G02F1/133524G02F1/292
    • PURPOSE: A method for controlling a laser beam using an acousto-optic modulator is provided to apply an RF(Radio Frequency) signal to the acousto-optic modulator, thereby maintaining a thermally normal state of the acousto-optic modulator. CONSTITUTION: A first diffraction beam is irradiated to a processed object. Laser processing is performed. A second RF signal is applied to the acousto-optic modulator. A second diffraction beam is emitted. The second diffraction beam deviates from an optical path. The optical path connects the acousto-optic modulator with the processed object. [Reference numerals] (AA) First diffraction step; (BB) Processing step(forming a straight part in patterns); (CC) Second diffraction step; (DD) Beam blocking step(forming a blank part in the patterns)
    • 目的:提供一种使用声光调制器控制激光束的方法,以将RF(射频)信号施加到声光调制器,从而保持声光调制器的热正常状态。 构成:将第一衍射光束照射到被处理物体上。 进行激光加工。 第二RF信号被施加到声光调制器。 发射第二个衍射光束。 第二衍射光束偏离光路。 光路将声光调制器与处理后的物体相连。 (附图标记)(AA)第一衍射步骤; (BB)处理步骤(以图案形成直线部分); (CC)第二衍射步骤; (DD)光束阻挡步骤(在图案中形成空白部分)
    • 4. 发明公开
    • 고출력 절단용 Nd:YAG 레이저의 음향광학 출력변조 방법과장치
    • 高输出切割的输出调制方法和设备ND:YAG激光
    • KR1020020047712A
    • 2002-06-22
    • KR1020000076256
    • 2000-12-13
    • (주)한빛레이저
    • 김정묵
    • H01S3/117
    • PURPOSE: An acoustooptic output modulating method of a high output cutting Nd:YAG laser and an apparatus thereof are provided to generate a laser beam having a good cutting process feature within a limit which is transmitted to an optical fiber. CONSTITUTION: A laser oscillator oscillates a continuous oscillation Nd:YAG laser. An optical sound output modulator adjusts a high frequency electromagnetic wave intensity with respect to the continuous oscillation Nd:YAG laser and acoustooptically modulates an output. A reflecting mirror(16) reflects a light in order to change a path of a light output having acoustooptically modulated optimal pulse row. A condensing lens and an optical fiber condense and transmit the acoustooptically modulated and reflected light output to an optical fiber(18) of a quartz. A condensing section condenses the acoustooptically modulated light on a cutting process surface(12).
    • 目的:提供高输出切割Nd:YAG激光器的声光输出调制方法及其装置,以产生在传输到光纤的极限内具有良好切割工艺特征的激光束。 构成:激光振荡器振荡Nd:YAG连续振荡激光器。 光学声音输出调制器相对于连续振荡Nd:YAG激光器调节高频电磁波强度并声光调制输出。 反射镜(16)反射光以改变具有声光调制的最佳脉冲行的光输出的路径。 聚光透镜和光纤将声光调制和反射的光输出缩小并传输到石英的光纤(18)。 冷凝部分将声光调制的光冷凝在切割工艺表面(12)上。
    • 5. 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。
    • 6. 发明授权
    • 고출력 절단용 Nd:YAG 레이저의 음향광학 출력변조 방법과장치
    • 고출력절단용Nd:YAG레이저의음향광학출력변조방법과장
    • KR100378159B1
    • 2003-03-29
    • KR1020000076256
    • 2000-12-13
    • (주)한빛레이저
    • 김정묵
    • H01S3/117
    • PURPOSE: An acoustooptic output modulating method of a high output cutting Nd:YAG laser and an apparatus thereof are provided to generate a laser beam having a good cutting process feature within a limit which is transmitted to an optical fiber. CONSTITUTION: A laser oscillator oscillates a continuous oscillation Nd:YAG laser. An optical sound output modulator adjusts a high frequency electromagnetic wave intensity with respect to the continuous oscillation Nd:YAG laser and acoustooptically modulates an output. A reflecting mirror(16) reflects a light in order to change a path of a light output having acoustooptically modulated optimal pulse row. A condensing lens and an optical fiber condense and transmit the acoustooptically modulated and reflected light output to an optical fiber(18) of a quartz. A condensing section condenses the acoustooptically modulated light on a cutting process surface(12).
    • 目的:提供一种高输出切割Nd:YAG激光器的声光输出调制方法及其设备,以在传输到光纤的极限内产生具有良好切割加工特性的激光束。 构成:激光振荡器振荡连续振荡Nd:YAG激光器。 光学声音输出调制器相对于连续振荡Nd:YAG激光器调整高频电磁波强度并且声光调制输出。 反射镜(16)反射光以改变具有声光调制最佳脉冲行的光输出的路径。 聚光透镜和光纤会聚并透射声光调制和反射光输出到石英光纤(18)。 聚光部分将经过声光调制的光会聚在切割加工表面(12)上。
    • 8. 发明公开
    • 음향 광학 변조기를 포함하는 Q-스위치 CO2 레이저 재료 가공 시스템
    • Q开关CO2激光材料处理系统包括声光调制器
    • KR1020170056633A
    • 2017-05-23
    • KR1020177010089
    • 2015-07-22
    • 페하 레이저텍 게엠베하
    • 스타우펜달,기스베르트
    • H01S3/117H01S3/127H01S3/00H01S3/223
    • H01S3/117G02B27/0966H01S3/005H01S3/0064H01S3/0071H01S3/127H01S3/2232
    • 본발명의주제는음향광학변조기들(AOM)을갖는 Q-스위치 CO레이저재료가공시스템으로, 음향광학변조기들은한편으로는 CO레이저를 Q-스위칭하기위해공진기내부에서사용되고, 다른한편으로는레이저와워크피스사이의방사선피드백의매우효율적인억제를위해외부에서사용된다. 핵심아이디어는활성매질에서의방사선의증폭측면에서 AOM 결정에서의음향파의여기주파수에정확히대응하는 AOM에서회절된방사선의주파수시프트를구체적으로고려하는것이다. 이주파수시프트가방사선의증폭을상당히감소시키기때문에, 그것은 Q-스위칭프로세스에서회피되어야하며, 이는본 발명에따라, 여기주파수는동일하지만, 결정에서의음향파들의전파방향은반대인 2개의 AOM의탠덤에의해달성된다. 이와대조적으로, 주파수시프트는본 발명에따라 AOM이레이저출력과워크피스사이에배열될때 레이저와워크피스사이의방사선피드백의억제를위해유리하고, 상기 AOM은적어도음향파의높은여기주파수를가지고있어, AOM에서회절된빔이작업빔으로서사용될때, 레이저로다시전파하는파가활성매질에의해사실상증폭되지않는다.
    • 本发明的主题是一种具有声光调制器(AOM)一个Q-开关CO激光材料处理系统,声光调制器在手中使用时,内腔切换CO激光Q-,另一方面euroneun激光器和工作 它在外部用于非常有效地抑制碎片之间的辐射反馈。 关键思想是要考虑的特定活性eseoui AOM晶体在辐射介质eseoui恰好在声波的激励频率的频移的衍射AOM辐射的对应的放大的方面。 由于频移明显减少了辐射的放大,所以在Q开关过程中必须避免这种情况,根据本发明,Q开关过程是有利的,因为两个AOM的激励频率是相同的, Lt。 与此相反,频移是的激光,并且当设置在AOM之间yireyi根据本发明的低输出和工件的工件之间的辐射反馈抑制是有利的,所述AOM得到了至少声波的更高的激发频率, 当在AOM处衍射的光束被用作工作光束时,传播回激光的波基本上不被活性介质放大。