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    • 1. 发明申请
    • LASER LIGHT SOURCE
    • 激光源
    • US20100142565A1
    • 2010-06-10
    • US12634193
    • 2009-12-09
    • Kazuo NAKAMAEMotoki KAKUIShinobu TAMAOKIYasuomi KANEUCHI
    • Kazuo NAKAMAEMotoki KAKUIShinobu TAMAOKIYasuomi KANEUCHI
    • H01S3/113H01S3/11H01S3/125H01S3/121
    • H01S3/121H01S3/067H01S3/0805
    • The present invention relates to a laser light source having a structure that has high durability to support high power output. The laser light source is an optical device that pulse-oscillates laser light and has a resonator, a rare earth element doped fiber, pumping means, Q switch means, and a condensing lens. The resonator forms a resonance optical path. A fiber is inserted on the resonance optical path and outputs radiation light by supply of pumping energy. The pumping means continuously supplies pumping energy to the fiber. The Q switch means modulates resonator loss of the resonator. The condensing lens condenses the radiation light whose spot size has been expanded and which propagates from the fiber to the Q switch means. The Q switch means is disposed such that a portion contributing to at least a resonator loss modulation is located at the condensing point of radiation light which is condensed by the condensing lens, and mechanically changes formation and interruption of the resonance optical path by transmitting or interrupting the radiation light in the contributing portion.
    • 本发明涉及具有高耐久性以支持高功率输出的结构的激光光源。 激光光源是脉冲振荡激光并具有谐振器,稀土元素掺杂光纤,泵浦装置,Q开关装置和聚光透镜的光学装置。 谐振器形成共振光路。 光纤插入在共振光路上,并通过提供泵送能量输出辐射光。 泵送装置连续向纤维提供泵送能量。 Q开关装置调制谐振器的谐振器损耗。 会聚透镜会聚焦点尺寸已经扩大并从光纤传播到Q开关装置的辐射光。 Q开关装置设置成使得至少有谐振器损耗调制的部分位于由聚光透镜会聚的辐射光的聚光点上,并通过发射或中断机械地改变谐振光路的形成和中断 贡献部分中的辐射光。
    • 2. 发明申请
    • LASER PROCESSING APPARATUS AND LASER PROCESSING METHOD
    • 激光加工设备和激光加工方法
    • US20090108173A1
    • 2009-04-30
    • US12256974
    • 2008-10-23
    • Motoki KAKUIKazuo NAKAMAEShinobu TAMAOKI
    • Motoki KAKUIKazuo NAKAMAEShinobu TAMAOKI
    • G05B13/02
    • B23K26/03B23K26/082B23K2101/32B23K2101/36
    • The present invention relates to a laser processing apparatus and the like having a structure for implementing at the same time both an efficient laser processing in the place where a laser beam is difficult to reach and a laser processing without damages in the place where the laser beam is easy to reach. This laser processing apparatus comprises a laser light source, an irradiation optical system applying a laser beam to an object while scanning the laser beam, a photo-detector detecting the laser beam applied from the irradiation optical system, and a control section of making switching between a continuous oscillation and a pulse oscillation of the laser beam at the laser light source. In particular, the control section makes a continuous oscillation of the laser beam with respect to the laser light source in the case in which the laser beam applied from the irradiation optical system is detected at the photo-detector; while it makes a pulse oscillation of the laser beam with respect to the laser light source in the case in which no laser beam applied from the irradiation optical system is detected at the photo-detector.
    • 激光加工装置本发明涉及一种激光加工装置等,其结构是同时实现在激光束难以到达的地方进行有效的激光加工,激光加工在激光加工的地方 很容易到达。 该激光加工装置包括:激光光源,在扫描激光束的同时向物体施加激光的照射光学系统;检测从照射光学系统施加的激光束的光检测器;以及控制部, 在激光光源处的激光束的连续振荡和脉冲振荡。 特别地,在从光检测器检测到从照射光学系统施加的激光束的情况下,控制部分使激光束相对于激光光源连续振荡; 而在光检测器未检测到从照射光学系统施加的激光束的情况下,激光束相对于激光光源的脉冲振荡。
    • 3. 发明申请
    • Laser Light Source
    • 激光光源
    • US20100202478A1
    • 2010-08-12
    • US12702613
    • 2010-02-09
    • Kazuo NAKAMAEMotoki KAKUIShinobu TAMAOKIYasuomi KANEUCHI
    • Kazuo NAKAMAEMotoki KAKUIShinobu TAMAOKIYasuomi KANEUCHI
    • H01S3/10
    • H01S3/067H01S3/0811H01S3/0812H01S3/09415H01S3/117H01S3/1618
    • The present invention relates to a laser light source having a structure for narrowing a wavelength bandwidth of output light. The laser light source comprises, at least, a laser resonator, a pumping light source, an optical path switch device, a diffraction grating, and a total reflection mirror. The laser resonator has a light amplifying fiber for output of emission light arranged on a resonance optical path thereof. The optical path switch device has a first port and a second port on the resonance optical path of the laser resonator. The diffraction grating spectrally separates the emission light outputted from the second port. The total reflection mirror reflects a specific wavelength component out of wavelength components spectrally separated by the diffraction grating, so as to feed the specific wavelength component back to the second port. Particularly, the optical path switch device controls a light transmittable state of the emission light outputted from the light amplifying fiber, at the second port.
    • 本发明涉及具有使输出光的波长带宽变窄的结构的激光光源。 激光源至少包括激光谐振器,泵浦光源,光路开关器件,衍射光栅和全反射镜。 激光谐振器具有用于输出布置在其共振光路上的发射光的光放大光纤。 光路开关装置在激光谐振器的共振光路上具有第一端口和第二端口。 衍射光栅将从第二端口输出的发射光谱分光。 全反射镜反射由衍射光栅光谱分离的波长分量中的特定波长分量,以将特定波长分量反馈回第二端口。 特别地,光路开关装置控制在第二端口处从光放大光纤输出的发射光的透光状态。
    • 9. 发明申请
    • LIGHT SOURCE APPARATUS AND OPTICAL MODULE INCLUDED THEREIN
    • 光源装置及其中包含的光模块
    • US20090091839A1
    • 2009-04-09
    • US12248472
    • 2008-10-09
    • Motoki KAKUIKazuo NAKAMAEShinobu TAMAOKI
    • Motoki KAKUIKazuo NAKAMAEShinobu TAMAOKI
    • G02B27/30
    • B23K26/066H01S3/0064H01S3/06754
    • The present invention relates to a light source apparatus or the like provided with a structure that can block reflected return light also when an emitting end side of an optical isolator is a space. The light source apparatus comprises a light source section, a guide section, and an optical module. The optical module includes a collimator, an optical isolator, and an oblique-beam blocking section. The collimator outputs collimated light with a predetermined beam diameter as a forward propagating beam. The optical isolator is a polarization-independent optical isolator that introduces the collimated light from a first end and outputs this collimated light from a second end. The oblique-beam blocking section includes first and second optical components each having a window of a diameter D, and blocks light incident at a predetermined angle relative to an optical axis of the forward propagating beam out of a backward propagating beam, by separating the first and second optical components from each other by a predetermined distance.
    • 本发明涉及一种光源装置等,其具有当光隔离器的发射端侧为空间时也能够阻挡反射的返回光的结构。 光源装置包括光源部,引导部和光模块。 光学模块包括准直器,光隔离器和倾斜束阻挡部分。 准直仪将预定光束直径的准直光输出为正向传播光束。 光隔离器是偏振无关的光隔离器,其引入来自第一端的准直光,并从第二端输出该准直光。 倾斜束阻挡部分包括每个具有直径D的窗口的第一和第二光学部件,并且通过将第一和第二光学部件的第一和第二光学部件分离出来,阻挡从向前传播的光束相对于正向传播光束的光轴以预定角度入射的光 和第二光学部件彼此间隔预定距离。