ZhETF, Vol. 78,
p. 53 (January 1980)
(English translation - JETP,
The issue content is only available in english translation.
Influence of crystal lattice on the population of high excited states of Er3+ ions under infrared excitation
A.A. Glushko, V.V. Osiko, Yu. P. Timofeev, I.A. Shcherbakov
Received: May 16, 1979