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Device for measuring the quality factor of a cavity, in particular a superconducting cavity, disrupted by resonating electronic discharges
Device for measuring the quality factor of a cavity, in particular a superconducting cavity, disrupted by resonating electronic discharges
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机译：用于测量腔，特别是超导腔的品质因数的装置，该品质因数被共振的电子放电破坏
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摘要
The present invention relates to a device (110) for measuring the vacuum quality factor of a resonant cavity (1) having an input port (2) for receiving an incident power and an output port (3) for measuring the power dissipated, said device being characterized in that it comprises: a transmission line (4) adapted to be coupled to the input port (2) of said resonant cavity (1) to be characterized, having a coupling coefficient β i and adapted to transmit incident power generated by a power generator (6); switching means (5) positioned upstream of the transmission line (4) at a distance from the cavity (1) corresponding to (2n + 1) λ g / 4, where n is an integer greater than or equal to zero and λ g the wavelength guided by said transmission line (4), said switching means (5) for modifying the coupling coefficient β i at the input port (2) of the cavity (1) when measuring the vacuum quality factor of said cavity.
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机译：本发明涉及一种用于测量谐振腔（1）的真空品质因数的设备（110），该设备具有用于接收入射功率的输入端口（2）和用于测量耗散功率的输出端口（3），所述设备其特征在于，它包括：传输线（4），其适于耦合到待表征的所述谐振腔（1）的输入端口（2），具有耦合系数β i ，并适于传输发电机（6）产生的入射功率;开关装置（5）位于传输线（4）的上游，与腔（1）的距离对应于（2n +1）λ g / 4，其中n是大于或等于等于零，并且由所述传输线（4）引导的波长为λ g ，所述切换装置（5）用于修改耦合系数β i 在测量腔体（1）的真空品质因数时，在腔体（1）的输入端口（2）处>。
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