Linear dichroism of the structureless absorption band (pedestal) in neutron-irradiated leukosapphire Zilov, S. A. ; Grigorov, V. A. ; Chumak, V. V. ; Martynovich, E. F. Abstract Publication: Optics and Spectroscopy Pub Date: December 1991 Bibcode: 1991OptSp..71..560Z