Optical Fiber Sensors

4Polymer Optical Fiber Sensors

Kara Peters

Contents

4.1 Introduction

4.2 Properties of POFs

4.2.1 Optical Properties

4.2.2 Mechanical Properties

4.2.3 Thermal Properties

4.2.4 Moisture Properties

4.2.5 Chemical Infiltration

4.2.6 Connecting POFs

4.3 Sensor Examples

4.3.1 Optical Loss

4.3.2 Interferometry-Based Sensors

4.3.3 OTDR, OFDR, and Scattering

4.3.4 Fiber Bragg Gratings

4.3.5 Long-Period Gratings

4.3.6 POF-Based Biosensing

4.3.7 Microstructured POF Sensors

4.4 Future Outlook

References

4.1 Introduction

The majority of optical fiber sensors are based on silica optical fibers due to their wide use in telecommunication applications and the wide availability of components, instrumentation, and optical fiber specifications. More recently, ...