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公开(公告)号：US4287487A
公开(公告)日：1981-09-01
申请号：US52195
申请日：1979-06-26
CPC分类号： H01S3/036 , H01S3/097 , H01S3/0977
摘要： A gas laser generating device of the longitudinal gas flow type having at least two glow discharge tubes, each of which has positive and negative electrodes, electric insulating tubes which are inserted between the two glow discharge tubes in order to provide insulation therebetween, and mirrors which are positioned at the ends of the two glow discharge tubes. In the glow discharge tubes, gas is excited to generate gas lasing and this gas lasing is amplified by the reflections of the mirros. Also, there are further provided triggering electrodes near either the negative or positive electrodes of the glow discharge tubes, respectively, which triggering electrodes are connected to the positive electrodes through triggering resistors, respectively.
摘要翻译： 一种纵向气流型气体激光发生装置，具有至少两个辉光放电管，每个具有正极和负极，插入在两个辉光放电管之间以提供绝缘的电绝缘管和反射镜 位于两个辉光放电管的端部。 在辉光放电管中，气体被激发以产生气体激光，并且该气体激光通过反射镜被放大。 此外，还分别在辉光放电管的负电极或正电极附近提供触发电极，触发电极分别通过触发电阻器连接到正电极。
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公开(公告)号：US4474468A
公开(公告)日：1984-10-02
申请号：US302433
申请日：1981-09-09
CPC分类号： G01J5/20 , G01J1/42 , G01J1/4257
摘要： According to the invention, a thin wire 13 is arranged across the laser beam 2, and the change of resistance in the thin wire 13 is measured by a resistance meter 21 while moving the thin wire 13 by a driving mechanism 23, thereby to measure the power of the laser beam or the position of the laser beam. The apparatus can be used for monitoring the power of laser beam or position of the same used in the high-power laser device for processing or the like purpose. According to the invention, it is possible to monitor the power and position of the laser without interrupting the laser beam and without incurring substantial increase of the loss of power of the laser beam.
摘要翻译： PCT No.PCT / JP81 / 00089 Sec。 371日期1981年9月9日 102（e）1981年9月9日PCT PCT。 公开号WO81 / 03068 日本1981年10月29日。根据本发明，穿过激光束2布置细线13，并且通过电阻计21测量细线13中的电阻变化，同时通过驱动移动细线13 机构23，从而测量激光束的功率或激光束的位置。 该装置可以用于监视激光束的功率或用于高功率激光装置中用于处理或类似目的的位置。 根据本发明，可以在不中断激光束的情况下监视激光的功率和位置，并且不会引起激光束的功率损耗的显着增加。
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公开(公告)号：US4468777A
公开(公告)日：1984-08-28
申请号：US308120
申请日：1981-10-02
申请人： Satoshi Takemori , Hiroyuki Sugawara , Kouji Kuwabara , Toshiharu Shirakura , Yukio Kawakubo , Kouji Sasaki
发明人： Satoshi Takemori , Hiroyuki Sugawara , Kouji Kuwabara , Toshiharu Shirakura , Yukio Kawakubo , Kouji Sasaki
CPC分类号： H01S3/034
摘要： A gas laser oscillation apparatus wherein, in order to prevent a center axis of a reflecting mirror included in a laser resonator from deviating from an optical axis of the laser resonator due to the deformation of a mirror supporting frame caused by a vacuum force applied to a laser tube, the reflecting mirror is fixed to a mirror holding plate, which is attached to the mirror supporting frame with fasteners such as bolts and nuts.
摘要翻译： 一种气体激光振荡装置，其特征在于，为了防止激光谐振器内的反射镜的中心轴因激光谐振器的光轴而由于由施加到激光谐振器的真空力引起的反射镜支撑架的变形而偏离 激光管，反光镜固定在反光镜保持板上，该固定板用螺栓和螺母等紧固件安装在镜面支撑框架上。
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公开(公告)号：US4602372A
公开(公告)日：1986-07-22
申请号：US549823
申请日：1983-11-08
申请人： Kouji Sasaki , Hiroyuki Sugawara , Kouji Kuwabara , Toshiharu Shirakura , Yukio Kawakubo , Satoshi Takemori
发明人： Kouji Sasaki , Hiroyuki Sugawara , Kouji Kuwabara , Toshiharu Shirakura , Yukio Kawakubo , Satoshi Takemori
摘要： A discharge tube structure of a gas laser generator has end common vessels at its both end sections and an intermediate common vessel at its intermediate section. The end common vessels and intermediate common vessel are connected through the first and second cooling ducts to a centrifugal blower, which is provided at its center the first communicating port communicating with the first cooling duct and at least two second communicating ports communicating with the second cooling ducts opposed to each other with respect to the first communicating port. The simplified second cooling ducts allows the mixture gas to be supplied smoothly to the intermediate common vessel, thereby increasing the laser output.
摘要翻译： 气体激光发生器的放电管结构在其两端部具有端部公共容器，在其中间部分具有中间公共容器。 末端公共容器和中间公共容器通过第一和第二冷却管道连接到离心式鼓风机，离心式鼓风机在其中心设置有与第一冷却管道连通的第一连通口和与第二冷却通道连通的至少两个第二连通口 相对于第一连通口相对的导管。 简化的第二冷却管道允许混合气体平稳地供应到中间公共容器，从而增加激光输出。
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公开(公告)号：US4590599A
公开(公告)日：1986-05-20
申请号：US499244
申请日：1983-05-31
申请人： Yukio Kawakubo , Hiroyuki Sugawara , Kouji Kuwabara , Toshiharu Shirakura , Satoshi Takemori , Kouji Sasaki
发明人： Yukio Kawakubo , Hiroyuki Sugawara , Kouji Kuwabara , Toshiharu Shirakura , Satoshi Takemori , Kouji Sasaki
CPC分类号： H01S3/097 , H01S3/0385 , H01S3/0384
摘要： A gas laser device has an anode and a cathode arranged oppositely in a discharge tube. The cathode comprises a plurality of cathode members each having a predetermined discharge effective cathode surface and each being electrically isolated from others. A switching circuit selects the cathode member(s) used for a continuous wave oscillation and the cathode member(s) used for a pulsed oscillation. The total area of the discharge effective cathode surface(s) of the cathode member(s) used for the pulsed oscillation is selected to be smaller than, preferably 1/3 to 1/2 of that of the discharge effective cathode surface(s) of the cathode member(s) used for the continuous wave oscillation.
摘要翻译： 气体激光装置具有在放电管中相对布置的阳极和阴极。 阴极包括多个阴极部件，每个阴极部件具有预定的放电有效阴极表面，并且每个阴极部件与其他阴极部件电隔离。 开关电路选择用于连续波振荡的阴极部件和用于脉冲振荡的阴极部件。 用于脉冲振荡的阴极部件的放电有效阴极表面的总面积被选择为小于放电有效阴极表面的总面积的1/3至1/2， 用于连续波振荡的阴极部件。
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6.发明授权Gas laser device with plural electrode members on the upper gas flow side 失效气体激光装置，在上部气体流动侧具有多个电极部件
公开(公告)号：US4541097A
公开(公告)日：1985-09-10
申请号：US444223
申请日：1982-11-24
申请人： Kouji Kuwabara , Kouji Sasaki , Hiroyuki Sugawara , Toshiharu Shirakura , Yukio Kawakubo , Satoshi Takemori
发明人： Kouji Kuwabara , Kouji Sasaki , Hiroyuki Sugawara , Toshiharu Shirakura , Yukio Kawakubo , Satoshi Takemori
CPC分类号： H01S3/036 , H01S3/0385 , H01S3/097 , H01S3/0382
摘要： A gas laser has an electrode of improved construction. The electrode, for example a cathode, comprises an inner cathode and at least an outer cathode spaced from the inner cathode and disposed on the side thereof away from to an anode. Each of the cathodes has a central hole from which glow discharge is formed, and the outer cathode further has a plurality of through-holes around the central hole. A gas medium flowing in a discharge tube passes through the central hole of the inner cathode via the central hole and through-holes of the outer cathode. The gas medium forcedly enters the glow discharge from the inner cathode thereby to cause it expand and a part of the gas medium having passed through the through-holes of the outer cathode squeeze the glow discharge from the outer cathode so that the glow discharge can enter the glow discharge from the inner cathode. Therefore, the current density of the glow discharge in the discharge tube is made information.
摘要翻译： 气体激光器具有改进结构的电极。 电极，例如阴极，包括内阴极和至少一个与内阴极间隔开的外阴极，并设置在远离阳极的一侧。 每个阴极具有形成辉光放电的中心孔，并且外阴极还具有围绕中心孔的多个通孔。 在放电管中流动的气体介质经由中心孔和外部阴极的通孔穿过内部阴极的中心孔。 气体介质强制地从内部阴极进入辉光放电，从而使其膨胀，并且已经通过外部阴极的通孔的气体介质的一部分从外部阴极挤压辉光放电，使得辉光放电可以进入 来自内部阴极的辉光放电。 因此，放电管中的辉光放电的电流密度成为信息。
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公开(公告)号：US4391519A
公开(公告)日：1983-07-05
申请号：US186731
申请日：1980-09-12
CPC分类号： B23K26/02 , B23K26/035
摘要： A laser beam axis monitoring apparatus which includes a laser oscillator generating a laser beam and a light generator for generating a light for monitoring an axis of the laser. The light from the light generator is split into ring-shaped light and reflected or lead into the laser oscillator. The light in the laser oscillator is reflected by a total reflection mirror and passes out of the oscillator so that the axis of the laser beam and axis of the light coincide with each other.
摘要翻译： 一种激光束轴监视装置，其包括产生激光束的激光振荡器和用于产生用于监视激光轴线的光的光发生器。 来自光发生器的光被分成环形光并被反射或引入激光振荡器。 激光振荡器中的光被全反射镜反射并从振荡器中出来，使得激光束的轴线和光轴相互重合。
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公开(公告)号：US4351052A
公开(公告)日：1982-09-21
申请号：US119316
申请日：1980-02-07
申请人： Kouji Sasaki , Hiroyuki Sugawara , Kouji Kuwabara , Toshiharu Shirakura , Satoshi Takemori , Norio Ikemoto
发明人： Kouji Sasaki , Hiroyuki Sugawara , Kouji Kuwabara , Toshiharu Shirakura , Satoshi Takemori , Norio Ikemoto
摘要： In a coaxial type gas-flow laser device in which a laser beam axis, an electric discharge axis and a gas flow axis are coincident, at least one centrifugal blower is employed for circulating a laser gas. Where two centrifugal blowers are employed, they oppose to each other in an axial direction of discharge tubes.
摘要翻译： 在激光束轴，放电轴和气流轴线重合的同轴式气流激光装置中，使用至少一个离心鼓风机来循环激光气体。 在使用两个离心鼓风机的情况下，它们在放电管的轴向上彼此相对。
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公开(公告)号：US4331939A
公开(公告)日：1982-05-25
申请号：US201064
申请日：1980-02-06
CPC分类号： H01S3/036 , H01S3/0385
摘要： An invention concerning the electrode structure of a gas laser device is disclosed. In the outer peripheral part of a discharge gas circulating hole (32) provided in the central part of an upper gas stream side one (16) of electrodes (14) and (16) disposed at both the ends of a discharge tube (8), a plurality of gas circulating apertures (34) are further provided over the entire periphery. A glow discharge portion in the discharge tube (8) is fined towards the central part of the tube by a gas which passes through the outer-peripheral gas circulating apertures (34). Thus, the laser intensity profile becomes the Gaussian distribution, and the laser generation efficiency is enhanced.
摘要翻译： PCT No.PCT / JP79 / 00224 Sec。 371日期1980年2月6日 102（e）日期1980年2月6日PCT申请日1979年8月23日PCT公布。 第WO80 / 00514号公报 1980年3月20日，公开了一种关于气体激光装置的电极结构的发明。 在设置在放电管（8）的两端的电极（14）和（16）的上部气流侧的一个（16）的中心部分的放电气体循环孔（32）的外周部分， 在整个周边上进一步设置多个气体循环孔（34）。 放电管（8）中的辉光放电部分通过穿过外周气体循环孔（34）的气体朝向管的中心部分。 因此，激光强度分布变为高斯分布，激光产生效率提高。
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10.发明授权Laser device with high-voltage pulse generator, high-voltage pulse generator and pulse generating method 失效激光装置采用高压脉冲发生器，高压脉冲发生器和脉冲发生方式
公开(公告)号：US4818892A
公开(公告)日：1989-04-04
申请号：US101171
申请日：1987-09-25
申请人： Tuneyoshi Oohashi , Satoshi Takemori , Toshimichi Kichikawa , Kouji Kuwabara , Hiroyuki Sugawara
发明人： Tuneyoshi Oohashi , Satoshi Takemori , Toshimichi Kichikawa , Kouji Kuwabara , Hiroyuki Sugawara
CPC分类号： H01S3/09705 , H03K17/80 , H03K3/57 , Y10T307/713
摘要： A laser device equipped with a high-voltage pulse generator wherein the pulse generator supplies an electric energy from a dc power source in an on-off form of a supply voltage to a tank circuit through a transformer, with the switching on and off of the supply voltage being effected in synchronism with the resonance period of the tank circuit. The tank circuit stores the supplied electric energy as a resonance condition so that when the electric energy stored in the tank circuit reaches a predetermined value, a saturable reactor connected between the laser device and the tank circuit becomes saturated and the electric energy in the tank circuit is discharged to the laser device.
摘要翻译： 一种配备有高压脉冲发生器的激光装置，其中脉冲发生器通过变压器将电能从开关形式的电源电压提供给储能电路，开关和断开 电源电压与谐振电路的谐振周期同步进行。 储能电路将所提供的电能作为共振条件存储，使得当存储在储能电路中的电能达到预定值时，连接在激光装置和储能电路之间的可饱和电抗器变得饱和，并且电路中的电能 被排出到激光装置。
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