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Conferences > IQEC > 1990 > QPDP > QPDP31
  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1990),
  • paper QPDP31

Optical Second Harmonic Generation study of stepped Si(111) surfaces: a novel scheme to discriminate surface and balk contributions

C. W. v. Hasselt, M. Verheyen, and Th. Rasing

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Abstract

Optical Second Harmonic Generation (SHG) has been shown to be a very versatile and sensitive surface probe at interfaces between centrosymmetric media [1]. It derives its surface sensitivity from the dipole contribution that vanishes in the bulk but is allowed at symmetry breaking interfaces. Therefore, bulk contributions only arise from higher-order nonlocal terms, that are related to the gradients of the fields at an interface.

© 1990 Optical Society of America

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