John B. Gruber

Optical spectra, energy levels, and crystal-field analysis of tripositive rare-earth ions in Y2O3. II. Non-Kramers ions in C2 sites

Richard P. Leavitt, John B. Gruber, N. C. Chang et al. · The Journal of Chemical Physics · 1982 · 334 citations

Rare Earth Mineral, Crystal Structure, Engineering +20

Optical spectra, energy levels, and crystal-field analysis of tripositive rare earth ions in Y2O3. I. Kramers ions in <i>C</i>2 sites

N. C. Chang, John B. Gruber, Richard P. Leavitt et al. · The Journal of Chemical Physics · 1982 · 328 citations

Rare Earth Mineral, Optical Materials, Engineering +20

Judd–Ofelt analysis of the Er3+(4f11) absorption intensities in phosphate glass: Er3+, Yb3+

Dhiraj K. Sardar, John B. Gruber, Bahram Zandi et al. · Journal of Applied Physics · 2003 · 201 citations

Absorption Intensities, Optical Materials, Engineering +22

Spectra and Energy Levels of Eu3+ in Y2O3

N. C. Chang, John B. Gruber · The Journal of Chemical Physics · 1964 · 183 citations

Rare Earth Mineral, Single Crystals, Engineering +17

Crystal-Field Splitting of Trivalent Thulium and Erbium <i>J</i> Levels in Yttrium Oxide

John B. Gruber, William F. Krupke, J. M. Poindexter · The Journal of Chemical Physics · 1964 · 125 citations

Rare Earth Mineral, Optical Materials, Engineering +19