Optical characterization of low-energy electron-beam-colored LiF crystals by spectral transmittance measurements

M. Montecchi, E. Nichelatti, A. Mancini, R.M. Montereali

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Abstract

The complex refractive index of a LiF crystal surface layer irradiated by low-energy electrons is modified by the stable formation of color centers embedded in it. A simplified dipole-electromagnetic field interaction model has been adopted in order to estimate the dispersion curves of colored LiF from a single optical transmittance measurement. The excellent agreement with the corresponding experimental curves (obtained by means of spectrophotometry and ellipsometry) demonstrates this to be a promising approach for LiF-based optical waveguide characterization. © 1999 American Institute of Physics.
Original languageEnglish
Pages (from-to)3745 - 3750
Number of pages6
JournalJournal of Applied Physics
Volume86
Issue number7
DOIs
Publication statusPublished - 1 Oct 1999

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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