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  • Spectral Hole-Burning and Luminescence Line Narrowing: Science and Applications
  • Technical Digest Series (Optica Publishing Group, 1992),
  • paper MB15
  • https://doi.org/10.1364/SHBL.1992.MB15

Hole-burning and site selection spectroscopy of porphyrins in various sol-gel matrices.

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Abstract

Various organic dyes have been embedded in matrices of transparent silica porous glasses prepared at room temperature by the sol-gel technique (1). The basic reaction of this process is an inorganic polymerization between silanol reactive monomers (≡Si-OH). These inorganic hosts are a link between organic and high temperature inorganic glasses. Hole-burning measurements have been published previously on chlorin and oxazine-4 perchlorate in a silicate glass (2).

© 1992 Optical Society of America

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