N. B. MansonT. BoonyarithJ. P.D. MartinaAustralian National UniversityMahidol University2018-07-042018-07-041995-01-01Journal of Luminescence. Vol.64, No.1-6 (1995), 39-43002223132-s2.0-0012004406https://repository.li.mahidol.ac.th/handle/20.500.14594/17256Two laser hole burning in a transition of trigonal Ho3+centers in CaF2with resolved narrow hyperfine structure is reported. Associated double resonances give superhyperfine frequencies that are sensitive to the holmium orbital and nuclear states. © 1995.Mahidol UniversityBiochemistry, Genetics and Molecular BiologyChemistryPhysics and AstronomyArticleSCOPUS10.1016/0022-2313(95)00007-D