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    Discharge excitation gas laser apparatus
    12.
    发明授权
    Discharge excitation gas laser apparatus 失效
    放电激发气体激光装置

    公开(公告)号：US5313487A

    公开(公告)日：1994-05-17

    申请号：US887770

    申请日：1992-05-22

    Applicant: Shuichi Fujikawa ,  Mitsuo Inoue ,  Yukio Sato ,  Haruhiko Nagai

    Inventor： Shuichi Fujikawa ,  Mitsuo Inoue ,  Yukio Sato ,  Haruhiko Nagai

    IPC: H01S3/0977 ,  H01S3/097

    CPC classification number: H01S3/0977 ,  H01S3/09775

    Abstract: At least two types of preionization systems are provided at a backside of one of a pair of primary electrodes which are disposed in a spaced opposed relation with respect to each other for causing a large area, spatially uniform main discharge in a laser gas therebetween. This improves efficiency and stability in laser oscillations under repeated operations at a high rate of tens to hundreds of shots per second. In addition, without using the laser output power, the preionization timing is controlled such that an optimal preionization timing is realized. The optimal preionization timing is determined on the basis of a minimum discharge starting voltage between the primary electrodes or a minimum required time from the time of applying a high voltage between said first and second primary electrodes until the time the main discharge commences.

    Abstract translation: 在一对主电极之一的背面设置至少两种类型的预电离系统，这些主电极相对于彼此以间隔开的相对关系设置，以在它们之间的激光气体中引起大面积的空间均匀的主放电。 这样可以在每秒数十到数百次的高速率重复操作下提高激光振荡的效率和稳定性。 此外，在不使用激光输出功率的情况下，控制预定时定时，从而实现最佳的初步化定时。 基于初级电极之间的最小放电起始电压或从在所述第一和第二主电极之间施加高电压直到主放电开始时的最小所需时间来确定最佳预电离定时。

    Gas laser with resistive strip arrangement for starting enhancement
    14.
    发明授权
    Gas laser with resistive strip arrangement for starting enhancement 失效
    气体激光器具有电阻条布置用于启动增强

    公开(公告)号：US4190810A

    公开(公告)日：1980-02-26

    申请号：US901879

    申请日：1978-05-01

    Applicant: Allan E. Bayley

    Inventor： Allan E. Bayley

    IPC: H01S3/03 ,  H01S3/0977 ,  H01S3/097

    CPC classification number: H01S3/0977 ,  H01S3/03

    Abstract: The disclosed arrangement for enhancing the starting characteristics of a cold cathode gas laser includes a strip of electrically conductive plastic disposed on the outer lateral surface of the laser tube. The strip extends longitudinally along the tube for most of the length of the tube and extends circumferentially about the tube in the vicinity of its end remote from the laser anode. A tape of electrically insulating material overlies the strip and adhesively holds it against the laser tube. The end of the strip remote from its circumferentially extending portion is electrically connected to the anode. Faster starting with relatively low voltages and with a more uniform voltage magnitude and turn-on time delay for individual laser tubes are achieved.

    Abstract translation: 所提出的用于提高冷阴极气体激光器起动特性的设计包括设置在激光管的外侧表面上的导电塑料条。 该条在管的大部分长度上沿着管纵向延伸，并且在远离激光阳极的端部附近围绕管周向延伸。 电绝缘材料的带覆盖在带上并将其粘合地保持在激光管上。 远离其周向延伸部分的带的端部电连接到阳极。 实现了相对较低的电压启动，并为每个激光管提供了更均匀的电压幅度和导通时间延迟。

    Laser cold cathode apparatus
    15.
    发明授权
    Laser cold cathode apparatus 失效
    激光冷藏设备

    公开(公告)号：US3555451A

    公开(公告)日：1971-01-12

    申请号：US3555451D

    申请日：1968-03-28

    Applicant: TRW INC

    Inventor： WITTE ROBERT S ,  WOOD CHARLES E

    IPC: H01S3/038 ,  H01S3/0977 ,  H01S3/02

    CPC classification number: H01S3/0977 ,  H01S3/038

    Abstract: THIS SPECIFICATION DISCLOSES A LASER SYSTEM MADE TRULY PORTABLE BY THE COMBINATION THEREIN OF A COLD CATHODE PROVIDING HIGH, DIRECT CURRENT, ELECTRON FLOW FOR GAS-ION LASER PUMPING REQUIREMENTS. THE CATHODE IN THE EXAMPLE SHOWN MAY BE A PELLET OF INDIUM WHICH IS EXPOSED TO AN ELECTRIC FIELD WHEN EMISSION IS REQUIRED.

    Matched Impedance Controlled Avalanche Driver
    18.
    发明申请
    Matched Impedance Controlled Avalanche Driver 失效
    匹配阻抗控制雪崩驱动程序

    公开(公告)号：US20070206652A1

    公开(公告)日：2007-09-06

    申请号：US11746019

    申请日：2007-05-08

    Applicant: Alan Hill

    Inventor： Alan Hill

    IPC: H01S3/091

    CPC classification number: H01S3/036 ,  H01S3/0385 ,  H01S3/041 ,  H01S3/097 ,  H01S3/09702 ,  H01S3/09707 ,  H01S3/0977 ,  H01S3/09775 ,  H01S3/2215 ,  H01S3/223 ,  H01S3/2232

    Abstract: Controlled avalanche driver circuits and apparatuses for gas lasers. One embodiment typically delivers short, rapid, high voltage ionizing pulses in combination with an electric field whose magnitude is too low to sustain a normal glow discharge. The plasma is typically impedance matched with the pulse-forming network. Pre-ionization pulses may be generated. The circuits enable very high power, stable lasers.

    Abstract translation: 用于气体激光器的控制雪崩驱动电路和装置。 一个实施例通常传递短，快，高电压的电离脉冲与其幅度太低以维持正常辉光放电的电场的组合。 等离子体通常与脉冲形成网络阻抗匹配。 可以产生预电离脉冲。 这些电路可实现非常高功率，稳定的激光。

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