Ultra-stable cryogenic sapphire dielectric microwave resonators: mode frequency-temperature compensation by residual paramagnetic impurities
1992 ◽
Vol 25
(7)
◽
pp. 1105-1109
◽
1997 ◽
Vol 30
(22)
◽
pp. 3146-3152
◽
Keyword(s):
1988 ◽
Vol 108
(9)
◽
pp. 671-677
Keyword(s):
2007 ◽
Vol 21
(1-4)
◽
pp. 457-460
◽