![]() | Up a level |
Retzer, N. and Lengfellner, Hans and Renk, Karl Friedrich (1989) Resonance trapping of monochromatically generated 29 CM-1 phonons in strongly excited ruby crystals. Journal of Luminescence 43 (4), pp. 243-249.
Retzer, N. and Lengfellner, Hans and Renk, Karl Friedrich (1983) Homogeneously broadened far-infrared absorption line due to the Ebar-]2abar transition of excited chromium ions in ruby. Physics Letters A 96 (9), pp. 487-490.
Lengfellner, Hans and Werling, U. and Hummel, J. and Netter, H. and Retzer, N. and Renk, Karl Friedrich (1981) Concentration dependence of the Ebar-]2abar far-infrared transition of excited chromium ions in ruby. Solid State Communications 38 (12), pp. 1215-1217.