Publications [#314058] of Henry Everitt
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Papers Published
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Özgür, U; Webb-Wood, G; Everitt, HO; Yun, F; Morkoç, H, Systematic measurement of AlxGa1-xN refractive indices,
Applied Physics Letters, vol. 79 no. 25
(December, 2001),
pp. 4103-4105, AIP Publishing [Gateway.cgi], [doi] .
Abstract:
Dispersion of the ordinary and extraordinary indices of refraction have been measured systematically for wurtzitic AlxGa1-xN epitaxial layers with 0.0≤x≤1.0 throughout the visible wavelength region. The dispersion, measured by a prism coupling waveguide technique, is found to be well described by a Sellmeier relation. Discrepancies among previous measurements of refractive index dispersion, as a consequence of different growth conditions and corresponding band gap bowing parameter, are reconciled when the Sellmeier relation is parameterized not by x but by band gap energy. © 2001 American Institute of Physics.
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