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    Ion chambers
    41.
    发明授权
    Ion chambers 失效
    离子室

    公开(公告)号：US3952197A

    公开(公告)日：1976-04-20

    申请号：US550114

    申请日：1975-02-14

    Applicant: James A. R. Samson

    Inventor： James A. R. Samson

    IPC: H01J47/00 ,  G01T1/18

    CPC classification number: H01J47/00

    Abstract: Ion chambers adapted for use with radiant energy in the vacuum ultraviolet and X-ray spectral regions are provided wherein the ion repeller and collector electrodes are configured to provide an electric field therebetween which has a non-uniform potential gradient allowing a photon beam to be passed through a region of low field strength. A further aspect of the configuration of the ion repeller and collector electrodes is the elimination of the need for guard rings.

    Abstract translation: 提供了适用于真空紫外线和X射线光谱区域中的辐射能的离子室，其中离子斥力器和集电极被配置成在其间提供其间具有不均匀电势梯度的电场，允许光子束通过 通过低场强度的区域。 离子斥力器和集电极的配置的另一方面是消除对保护环的需要。

    Wavelength detector and wavelength calibration system
    49.
    发明授权
    Wavelength detector and wavelength calibration system 有权
    波长检测器和波长校准系统

    公开(公告)号：US09478933B2

    公开(公告)日：2016-10-25

    申请号：US13535641

    申请日：2012-06-28

    Applicant: Toru Suzuki ,  Shinichi Matsumoto

    Inventor： Toru Suzuki ,  Shinichi Matsumoto

    IPC: H01S3/13 ,  G01J1/42 ,  H01S3/137 ,  H01S3/225 ,  G01J9/00 ,  G01J9/02 ,  H01J47/00 ,  H01S3/08 ,  H01S3/10

    CPC classification number: H01S3/13 ,  G01J1/429 ,  G01J9/00 ,  G01J9/0246 ,  H01J47/00 ,  H01S3/08004 ,  H01S3/08009 ,  H01S3/10069 ,  H01S3/1303 ,  H01S3/137 ,  H01S3/225

    Abstract: The wavelength detector includes a diffusion element that diffuses the laser beam; a light collection optical system provided downstream from the diffusion element; a member, including an aperture, provided downstream from the light collection optical system; a discharge tube that is provided downstream from the member and that includes a cylindrical anode and a cylindrical cathode that each have a through-hole formed therein, and that is configured so that an electrical property between the anode and the cathode changes due to an opto-galvanic effect when a laser beam having a predetermined wavelength passes through the through-hole of the cathode in a state in which a DC voltage is applied to the anode; and a high-voltage DC power source. The discharge tube is disposed so that the laser beam that passes through the aperture passes through the through-hole of the cathode of the discharge tube without directly irradiating the cathode.

    Abstract translation: 波长检测器包括扩散激光束的扩散元件; 设置在扩散元件下游的光收集光学系统; 包括孔的构件，设置在所述光收集光学系统的下游; 放电管，其设置在所述构件的下游，并且包括圆柱形阳极和圆柱形阴极，每个具有形成在其中的通孔，并且被配置为使得阳极和阴极之间的电特性由于光电而改变 当具有预定波长的激光束在向阳极施加直流电压的状态下穿过阴极的通孔时， 和高压直流电源。 放电管被布置成使得穿过孔的激光束通过放电管的阴极的通孔而不直接照射阴极。

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