Optical Fiber Sensors

3Interferometric Fiber-Optic Sensors

Sara Tofighi, Abolfazl Bahrampour, Nafiseh Pishbin, and Ali Reza Bahrampour

Contents

3.1 Optical Fibers and Their Characteristics

3.1.1 Standard Optical Fibers

3.1.2 Photonic Crystal Fibers

3.1.3 Quasi-Photonic Crystal Fibers

3.1.4 Polarization-Maintained Optical Fibers

3.1.5 Slab Optical Waveguides

3.2 Electromagnetic Interference

3.2.1 Field Interference and First-Order Correlation Function

3.2.2 Second- and Higher-Order Interferences

3.2.3 Quantum Theory of Correlation Functions

3.3 Multiport Optical Fiber

3.3.1 Beam Splitter

3.3.2 Multiport Optical Fiber Beam Splitter

3.3.3 Unitary Transformation as a Multiport Optical Fiber Beam Splitter

3.3.4 Matrix Theory of Multiport Optical Fibers

3.4 Multiport ...