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Paper
Persistent holes in the spectra of localized vibrational modes in crystalline solids
Abstract
Persistent nonphotochemical spectral holes have been burnt at low laser intensity in the vibrational absorption line of a spherical-top molecule in alkali halide crystals. These observations complement earlier studies on electronic transitions in organic crystals and glasses and demonstrate that persistent hole burning is a general solid-state phenomenon. © 1982 The American Physical Society.