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Applied Optics

Applied Optics


  • Vol. 20, Iss. 11 — Jun. 1, 1981
  • pp: 1955–1958

Energy transport studies using spatially resolved luminescence

C. Hirlimann, S. C. Abbi, and M. Diarra  »View Author Affiliations

Applied Optics, Vol. 20, Issue 11, pp. 1955-1958 (1981)

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A method is described in which a small and well-defined area on the face of a crystal is illuminated by a focused laser beam and the light emitted from adjoining areas is spatially analyzed. Our experimental studies, done on nitrogen-doped III–V semiconductors, show that spatial distribution of a Raman spectral line properly monitors the illumination spot geometry as well as the instrumental response. It is shown that the zero phonon line associated to the nitrogen-trapped exciton and the corresponding phonon replica exhibit different spatial distributions. The effect of temperature on the spatial distribution of light emitted both by a zero phonon process and its phonon replica is examined. These results are discussed in terms of possible implications for the energy transfer process.

© 1981 Optical Society of America

Original Manuscript: October 21, 1980
Published: June 1, 1981

C. Hirlimann, S. C. Abbi, and M. Diarra, "Energy transport studies using spatially resolved luminescence," Appl. Opt. 20, 1955-1958 (1981)

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