Frequency-Temperature Compensation in Ti3+ and Ti4+ Doped Sapphire Whispering Gallery Mode Resonators
J. G. Harnett, M. E. Tobar, A. G. Mann, E. N. Invanov, Jerzy Krupka, Richard G. Geyer
A new method of compensating the frequency temperature dependence of high-Q monolithic sapphire di-electric resonators near liquid nitrogen temperature is presented. This is achieved by doping monocrystalline sapphire with Ti3+ ions. This technique offers significant advantages over other methods.
IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control
, Tobar, M.
, Mann, A.
, Invanov, E.
, Krupka, J.
and Geyer, R.
Frequency-Temperature Compensation in Ti<sup>3+</sup> and Ti<sup>4+</sup> Doped Sapphire Whispering Gallery Mode Resonators, IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control
(Accessed December 7, 2023)