Hole burning in the contour of a pure electronic line in a Shpol'skii system
Gorokhovskii A.A., Kaarli R.K., Rebane L.A.
A dip resulting from laser pumping was observed in the contour of the (0-0) transition of a solid solution of H2-phthalocyamne in и-octane. The dip was observed in the absorption and in the luminescence spectra.