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Differential phase imaging of evanescent wave in total internal reflection for determining refractive index
Published in Springer Science and Business Media, LLC
Volume: 194
Pages: 249 - 255
A non-interferometric differential phase measuring technique is used to determine the refractive index of a medium. In total internal reflection (TIR), phase change is a function of the refractive indices of a pair of media involved. Also, the said phase change is different for p-polarized and s-polarized light components. Difference between the phases of these two polarized light components leads to the refractive index of the sample. The theory of the technique is discussed and a simple experimental method is demonstrated to determine the phase difference of the totally internally reflected p and s components. © Springer Nature Singapore Pte Ltd. 2017.
About the journal
JournalData powered by TypesetSpringer Proceedings in Physics
PublisherData powered by TypesetSpringer Science and Business Media, LLC