Near-field optical probe based on the fiber Fabry–Perot interferometer with protruding evanescent light source

Abstract

We studied numerically and experimentally the possibility of the development of a probe based on the fiber Fabry–Perot interferometer with an evanescent light source protruding directly toward the sample. It was shown that such a probe provides a spatial resolution $\sim \lambda /40$ for $\lambda =1550\mathrm{nm}$. The fabrication process of such a probe is described in detail.

© 2013 Optical Society of America

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