Optical Fiber Sensors

2Optical Fiber Sensing Solutions

From Macro- to Micro-/Nanoscale

Yuliya Semenova and Gerald Farrell

Contents

2.1 Introduction

2.2 Fiber-Optic Sensor Types

2.3 Sensing on a Variety of Scales: Theory and Practice

2.3.1 Large-Scale Fiber-Optic Sensing

2.4 Point Sensors

2.4.1 Fiber Bend Sensors

2.5 Interferometric Fiber-Optic Sensors

2.5.1 In-Line Fabry–Pérot Interferometers

2.5.2 Mach–Zehnder Interferometers

2.5.3 White-Light Michelson Interferometers

2.5.4 Interferometric Multiplexing

2.5.5 Sagnac Interferometers

2.6 Fiber Gratings

2.7 Distributed Fiber Sensors

2.8 Micro- and Nanoscale Fiber Sensors

2.9 Evanescent Field Fiber Sensors

2.10 Micro- and Nanostructured Fiber Sensors

2.11 Surface Plasmon Resonance Sensors

2.12 Future Challenges and ...