Submicrometer fiber-optic Fabry–Perot interferometer formed by use of the Langmuir–Blodgett technique

Abstract

The fabrication of an optical cavity at the distal end of an optical fiber has been achieved by Langmuir–Blodgett (LB) deposition of tricosanoic acid. This technique allows nanometer-scale control over the cavity length to a total thickness of $\sim 0.5 \mu \mathrm{m}$. The cavity has been shown to act interferometrically and, thus, has potential sensing applications.

© 2001 Optical Society of America

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