Title :
Automatic tuning of hydrogen masers
Author :
Hellwig, H. ; Pannaci, E.
fDate :
4/1/1967 12:00:00 AM
Abstract :
Beam-intensity modulation based on varying the power of the hydrogen RF-discharge was used in an automatic tuning system. Two hydrogen masers were tuned automatically and simultaneously. Their beat frequency was measured to have a long-term stability of 3 × 10-13.
Keywords :
Atomic beams; Atomic measurements; Equations; Fault location; Frequency; Hydrogen; Masers; Plasma measurements; Stability; Tuning;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1967.5577
