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Magnetic shielding case for accomodating photomultiplier and light detecting apparatus including the same
Magnetic shielding case for accomodating photomultiplier and light detecting apparatus including the same
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机译:用于容纳光电倍增管的磁屏蔽盒和包括该屏蔽盒的光检测装置
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摘要
The present invention relates to a magnetic shielding case comprising a structure for improving the uniformity in light receiving sensitivity of a photomultiplier while maintaining a sufficient magnetic shielding function, and a light detecting apparatus including this magnetic shielding case. This apparatus comprises a photomultiplier and a magnetic shielding case accommodating the photomultiplier. In particular, the magnetic shielding case comprises a housing having an opening for transmitting therethrough light to be detected which is directed to the photomultiplier; a lens element for guiding the light to be detected into an effective region on a photocathode; and a positioning structure for placing the photomultiplier at a desired position with respect to the lens element. IMAGE
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