Optical Properties of Si-SiO2 Interfaces by Linear and Nonlinear Optical Techniques
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Date
2002-03-05
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The objective of this research is to understand the physics of (001)Si-SiO data can be realized by the SBHM. From the SHG analysis we find effective angles of incidence and observation of about 12⁰, indicating that the SHG intensity originates at the Si side of the interface. This work further demonstrates the advantages of SBHM for interpreting SHG data with respect to conventional approaches. By expressing nonlinear polarizations in terms of complex hyperpolarizabilities associated with each of bonds in a unit cell, the description is not only much simpler but also provides more physical information and insight that can otherwise be obtained on a microscopic scale.
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Degree
PhD
Discipline
Physics
