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1. 发明申请

US20100142565A1 LASER LIGHT SOURCE 审中-公开
标题翻译：激光源
公开(公告)号：US20100142565A1
公开(公告)日：2010-06-10
申请号：US12634193
申请日：2009-12-09
申请人： Kazuo NAKAMAE , Motoki KAKUI , Shinobu TAMAOKI , Yasuomi KANEUCHI
发明人： Kazuo NAKAMAE , Motoki KAKUI , Shinobu TAMAOKI , Yasuomi KANEUCHI
IPC分类号： H01S3/113 , H01S3/11 , H01S3/125 , H01S3/121
CPC分类号： H01S3/121 , H01S3/067 , H01S3/0805
摘要： 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.
摘要翻译：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

US20090108173A1 LASER PROCESSING APPARATUS AND LASER PROCESSING METHOD 有权
标题翻译：激光加工设备和激光加工方法
公开(公告)号：US20090108173A1
公开(公告)日：2009-04-30
申请号：US12256974
申请日：2008-10-23
申请人： Motoki KAKUI , Kazuo NAKAMAE , Shinobu TAMAOKI
发明人： Motoki KAKUI , Kazuo NAKAMAE , Shinobu TAMAOKI
IPC分类号： G05B13/02
CPC分类号： B23K26/03 , B23K26/082 , B23K2101/32 , B23K2101/36
摘要： 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.
摘要翻译：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

US20100202478A1 Laser Light Source 有权
标题翻译：激光光源
公开(公告)号：US20100202478A1
公开(公告)日：2010-08-12
申请号：US12702613
申请日：2010-02-09
申请人： Kazuo NAKAMAE , Motoki KAKUI , Shinobu TAMAOKI , Yasuomi KANEUCHI
发明人： Kazuo NAKAMAE , Motoki KAKUI , Shinobu TAMAOKI , Yasuomi KANEUCHI
IPC分类号： H01S3/10
CPC分类号： H01S3/067 , H01S3/0811 , H01S3/0812 , H01S3/09415 , H01S3/117 , H01S3/1618
摘要： 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.
摘要翻译：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。

4. 发明申请

US20120307847A1 LASER APPARATUS 审中-公开
标题翻译：激光装置
公开(公告)号：US20120307847A1
公开(公告)日：2012-12-06
申请号：US13485551
申请日：2012-05-31
申请人： Shinobu TAMAOKI , Motoki KAKUI
发明人： Shinobu TAMAOKI , Motoki KAKUI
IPC分类号： H01S3/067 , H01S3/10
CPC分类号： H01S3/06758 , B23K26/0622 , H01S3/0085 , H01S3/10015 , H01S3/1618
摘要： The present invention relates to a laser apparatus having a structure for easily shortening a pulse. In the laser apparatus, as a result of a phase control unit adjusting a modulation period of an external modulator and an output period of pulsed light of a seed light source, it is possible to generate pulsed light which is outputted only during a period when the modulation period and the output period overlap each other.
摘要翻译：本发明涉及具有容易缩短脉冲的结构的激光装置。在激光装置中，作为调整外部调制器的调制周期和种子光源的脉冲光的输出周期的相位控制单元的结果，可以产生仅在调制周期和输出周期相互重叠。

5. 发明申请

US20120305805A1 LASER APPARATUS 审中-公开
标题翻译：激光装置
公开(公告)号：US20120305805A1
公开(公告)日：2012-12-06
申请号：US13485477
申请日：2012-05-31
申请人： Shinobu TAMAOKI , Motoki KAKUI
发明人： Shinobu TAMAOKI , Motoki KAKUI
IPC分类号： B01J19/12
CPC分类号： H01S3/10015 , H01S3/0078 , H01S3/06758 , H01S3/09415 , H01S3/10069 , H01S3/1618 , H01S5/06216 , H01S5/06804
摘要： The present invention relates to a laser apparatus having a structure for facilitating the change of a transparent wavelength band of a bandpass filter in accordance with a central wavelength of pulsed light. In the laser apparatus, the transparent wavelength band of light to be transmitted through a BPF is changed according to the central wavelength of the pulsed light when the pulse width of the pulsed light outputted from a seed light source is changed.
摘要翻译：本发明涉及具有根据脉冲光的中心波长使带通滤波器的透明波长带变化的结构的激光装置。在激光装置中，当从种子光源输出的脉冲光的脉冲宽度改变时，通过BPF透射的光的透明波长带根据脉冲光的中心波长而改变。

6. 发明申请

US20100033548A1 LASER MARKING METHOD 有权
标题翻译：激光标记方法
公开(公告)号：US20100033548A1
公开(公告)日：2010-02-11
申请号：US12536780
申请日：2009-08-06
申请人： Yasuomi KANEUCHI , Motoki KAKUI , Kazuo NAKAMAE , Shinobu TAMAOKI
发明人： Yasuomi KANEUCHI , Motoki KAKUI , Kazuo NAKAMAE , Shinobu TAMAOKI
IPC分类号： B41J2/47
CPC分类号： B41J2/471 , B41J2/442 , B41M5/24 , H01S3/0064 , H01S3/0078 , H01S3/06708 , H01S3/06758 , H01S3/094003 , H01S3/094007 , H01S3/09408 , H01S3/09415 , H01S3/1618
摘要： The present invention relates to a laser marking method which is capable of changing the grey level of a marking even in the case of a high processing speed. The laser marking method forms a marking pattern on a marking object by irradiating the marking object with pulsed light oscillated from a pulsed light source of a MOPA structure in which a semiconductor laser outputting directly-modulated pulsed light is used as a seed light source. At this time, the pulse duration of the pulsed light is changed in order to change a gray level of the marking pattern to be formed. In this way, a peak power of the pulsed light is changed by changing the pulse duration, so that it is possible to positively change the gray level of the marking pattern without changing the processing speed.
摘要翻译：本发明涉及即使在高处理速度的情况下也能够改变标记的灰度级的激光打标方法。激光标记方法通过用从其中输出直接调制的脉冲光的半导体激光器用作种子光源的MOPA结构的脉冲光源振荡的脉冲光照射标记物体来在标记物体上形成标记图案。此时，改变脉冲光的脉冲持续时间以改变要形成的标记图案的灰度级。以这种方式，通过改变脉冲持续时间来改变脉冲光的峰值功率，从而可以在不改变处理速度的情况下肯定地改变标记图案的灰度级。

7. 发明申请

US20120307850A1 PULSED LIGHT GENERATION METHOD 审中-公开
标题翻译：脉冲光产生方法
公开(公告)号：US20120307850A1
公开(公告)日：2012-12-06
申请号：US13485585
申请日：2012-05-31
申请人： Motoki KAKUI , Shinobu TAMAOKI
发明人： Motoki KAKUI , Shinobu TAMAOKI
IPC分类号： H01S5/062
CPC分类号： H01S3/10046 , B23K26/0622 , B23K26/066 , H01S3/0057 , H01S3/0064 , H01S3/0078 , H01S3/06758 , H01S3/09415 , H01S3/10038 , H01S3/1618 , H01S3/1693 , H01S3/176 , H01S5/06216
摘要： The present invention relates to a method of enabling generation of pulsed lights each having a narrow pulse width and high effective pulse energys. A pulse light source has a MOPA structure, and comprises a single semiconductor laser, a bandpass filter and an optical fiber amplifier. The single semiconductor laser outputs two or more pulsed lights separated by a predetermined interval, for each period given according to a predetermined repetition frequency. The bandpass filter attenuates one of the shorter wavelength side and the longer wavelength side, in the wavelength band of input pulsed lights.
摘要翻译：本发明涉及能够产生脉冲光的方法，每个脉冲光具有窄脉冲宽度和高有效脉冲能量。脉冲光源具有MOPA结构，并且包括单个半导体激光器，带通滤波器和光纤放大器。单个半导体激光器输出按照预定重复频率给出的每个周期以预定间隔分开的两个或更多个脉冲光。带通滤波器在输入脉冲光的波长带中衰减较短波长侧和较长波长侧之一。

8. 发明申请

US20120300802A1 LIGHT SOURCE CONTROL METHOD 有权
标题翻译：光源控制方法
公开(公告)号：US20120300802A1
公开(公告)日：2012-11-29
申请号：US13477536
申请日：2012-05-22
申请人： Motoki KAKUI , Shinobu TAMAOKI
发明人： Motoki KAKUI , Shinobu TAMAOKI
IPC分类号： H01S5/0683
CPC分类号： H01S3/06758 , B23K26/0622 , H01S3/0057 , H01S3/0064 , H01S3/0078 , H01S3/094003 , H01S3/094061 , H01S3/10015 , H01S3/1618 , H01S3/1693 , H01S3/176 , H01S5/06216 , H01S5/06804
摘要： The present invention relates to a light source control method capable of decreasing the dependence of a pulse width (FWHM) of an output pulsed light on a repetition frequency. A pulsed light source has an MOPA structure, and has a seed light source and an optical fiber amplifier. The seed light source includes a semiconductor laser which is directly modulated and outputs a pulsed light. By adjusting a temperature of the seed light source and a pumping light power of the optical fiber amplifier, a predetermined full width half maximum of a pulse at a predetermined repetition frequency is implemented for the pulsed light outputted from the optical fiber amplifier.
摘要翻译：本发明涉及能够降低输出脉冲光的脉冲宽度（FWHM）对重复频率的依赖性的光源控制方法。脉冲光源具有MOPA结构，并具有种子光源和光纤放大器。种子光源包括直接调制并输出脉冲光的半导体激光器。通过调整种子光源的温度和光纤放大器的泵浦光功率，对于从光纤放大器输出的脉冲光，实施预定重复频率的脉冲的预定全宽度半值。

9. 发明申请

US20090091839A1 LIGHT SOURCE APPARATUS AND OPTICAL MODULE INCLUDED THEREIN 有权
标题翻译：光源装置及其中包含的光模块
公开(公告)号：US20090091839A1
公开(公告)日：2009-04-09
申请号：US12248472
申请日：2008-10-09
申请人： Motoki KAKUI , Kazuo NAKAMAE , Shinobu TAMAOKI
发明人： Motoki KAKUI , Kazuo NAKAMAE , Shinobu TAMAOKI
IPC分类号： G02B27/30
CPC分类号： B23K26/066 , H01S3/0064 , H01S3/06754
摘要： 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.
摘要翻译：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。

10. 发明申请

US20120255935A1 LASER PROCESSING METHOD 有权
标题翻译：激光加工方法
公开(公告)号：US20120255935A1
公开(公告)日：2012-10-11
申请号：US13369076
申请日：2012-02-08
申请人： Motoki KAKUI , Hiroshi Kohda , Yasuomi Kaneuchi , Shinobu Tamaoki , Shigehiro Nagano , Yoshiyuki Uno , Yasuhiro Okamoto , Kenta Takahashi
发明人： Motoki KAKUI , Hiroshi Kohda , Yasuomi Kaneuchi , Shinobu Tamaoki , Shigehiro Nagano , Yoshiyuki Uno , Yasuhiro Okamoto , Kenta Takahashi
IPC分类号： B23K26/00
CPC分类号： B23K26/40 , B23K26/0006 , B23K26/0617 , B23K26/0869 , B23K26/10 , B23K26/36 , B23K26/361 , B23K26/364 , B23K26/38 , B23K26/53 , B23K26/57 , B23K2103/50 , B23K2103/56 , H01L21/302
摘要： There is obtained a laser processing method by which an excellent shape of a cut surface can be achieved and an increase in cost can be suppressed. A laser processing method includes the steps of: preparing a material to be processed; and forming a modified area in the material to be processed, by irradiating the material to be processed with laser beam. In the aforementioned step, pulsed laser beam having a continuous spectrum is focused with a lens, thereby forming a focusing line constituted by a plurality of focuses that are obtained by predetermined bands forming the continuous spectrum of the laser beam, and the material to be processed is irradiated with the laser beam such that at least a part of the focusing line is located on a surface of the material to be processed, thereby forming the modified area on an axis of the focusing line.
摘要翻译：获得能够实现切割面的优良形状并且可以抑制成本增加的激光加工方法。激光加工方法包括以下步骤：准备待加工材料; 并且通过用激光束照射被处理材料，在被处理材料中形成改质区域。在上述步骤中，具有连续光谱的脉冲激光束与透镜聚焦，从而形成由通过形成激光束的连续光谱的预定带获得的多个聚焦构成的聚焦线，以及待处理的材料用激光束照射使得聚焦线的至少一部分位于待处理材料的表面上，从而在聚焦线的轴上形成改质区域。

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