Abstract
Hole-burning spectroscopy is known to give detailed information on the homogeneously broadened spectral line buried in the inhomogeniously broadened absorption band in various materials. In the case of aye molecules in glassy systems, the width of the non-photochemically burnt hole usually broadens significantly with time, which makes difficult the accurate determination of the homogeneous width of the spectral line.1) Furthermore, the photon echo characteristics are much distorted by the hole burning effect. In order to find a method to determine the homogeneous width by clarifying the mechanism of fluence-dependent hole broadening, we have performed detailed studies on the time evolution of the hole burning spectrum for several dyes doped in polymer films.
© 1988 Optical Society of America
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