Pound Cavity Tuning

被引：0
|
作者：
Jois, Shriram [1 ]
Sullivan, N. S. [1 ]
Tanner, D. B. [1 ]
机构：
[1] Univ Florida, Dept Phys, Gainesville, FL 32611 USA
来源：
MICROWAVE CAVITIES AND DETECTORS FOR AXION RESEARCH | 2018年 / 211卷
关键词：
Axion; Pound locking; Multicavity; Frequency locking; Reflection; Phase modulation; Feedback; Servomechanism;
D O I：
10.1007/978-3-319-92726-8_3
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A Pound reflection locking method is used to tune to a desired frequency high-Q microwave resonant cavities to be used for axion detection. A phase-modulated RF signal is fed to the cavity and the reflected RF signal is detected with a zero-bias Schottky diode detector. The detected signal is analyzed using a lock-in amplifier synchronized to the phase modulation frequency. The lock-in output is integrated and amplified to provide the feedback signal to a servomechanism to lock the resonant cavity to the desired frequency.
引用
收藏
页码：31 / 37
页数：7
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