Infrared transient antihole burning in the 1 arrow right 2 vibrational transition of super(12)C super(17)O in solid N sub(2): Evidence for energy-dependent spectral transfer

The population hole burned within the inhomogeneously broadened ir fundamental absorption band of super(12)C super(17)O in solid N sub(2) by a narrow-band pulsed laser is detected as an antihole in the transient absorption of a tunable cw probe beam whose frequency is swept through the v = 1 arrow right v = 2 resonance. The time development of the transient profile demonstrates that spectral diffusion is governed by an energy-dependent process, contrary to what has been observed in many disordered systems.