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Refractive index of nanoscale thickness films measured by Brewster refractometry

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arxiv 1504.04262 v1 pith:QNYVIWWB submitted 2015-04-16 physics.optics

classification physics.optics
keywords nanoscalebrewsterfilmsmeasurementsthicknessanglebeenfilm
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It is shown that reflective laser refractometery at Brewster angle can be usefull for precision measurements of refractive indexes (RI) in the transparency band of various films of nanoscale thickness. The RI measurements of nanoscale porous film on the basis of gadolinium orthosilicate and quartz have been carried out as first experience. It is shown that surface light scattering in such films that is connected with clustering of nanoscale pores can decrease the accuracy of the RI measurements at Brewster angle. Estimated physical dependence RI stipulated by the film thickness reduction (3D-2D transition) in the range of (20-160)nm has not been not detected.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Refractometry of birefringent materials at Brewster angle

    physics.gen-ph 2019-08 reject novelty 4.0 of 10

    A Brewster-angle refractometry extension for birefringent materials is proposed, but the extraordinary-ray formula is unjustified and the validation data are inconsistent with known quartz indices.

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