W.E. Moerner, A.J. Sievers, et al.
Physical Review Letters
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.
W.E. Moerner, A.J. Sievers, et al.
Physical Review Letters
W.E. Moerner, W.P. Ambrose
SPIE Optics, Electro-Optics, and Laser Applications in Science and Engineering 1991
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Applied Physics Letters
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CLEO 1996