| Foreword | p. xiii |
| Preface | p. xv |
| Introduction | p. 1 |
| References | p. 3 |
| Principle of the Fiber-Optic Gyroscope | p. 5 |
| Sagnac Effect | p. 5 |
| Sagnac Interferometer | p. 5 |
| Case of a Medium | p. 10 |
| Active and Passive Ring Resonators | p. 12 |
| Ring Laser Gyroscope (RLG) | p. 12 |
| Resonant Fiber-Optic Gyroscope (R-FOG) | p. 15 |
| Passive Fiber Ring Interferometer | p. 17 |
| Principle of the Interferometric Fiber-Optic Gyroscope (I-FOG) | p. 17 |
| Theoretical Sensitivity | p. 19 |
| Noise, Drift, and Scale Factor | p. 23 |
| Bandwidth | p. 24 |
| References | p. 25 |
| Reciprocity of a Fiber Ring Interferometer | p. 27 |
| Principle of Reciprocity | p. 27 |
| Reciprocity of Wave Propagation | p. 27 |
| Reciprocal Behavior of a Beam Splitter | p. 28 |
| Minimum Configuration of a Ring Fiber Interferometer | p. 30 |
| Reciprocal Configuration | p. 30 |
| Reciprocal Biasing Modulation-Demodulation | p. 32 |
| Proper (or Eigen) Frequency | p. 37 |
| Reciprocity With All-Guided Schemes | p. 43 |
| Evanescent-Field Coupler (or X-Coupler or 4-Port Coupler) | p. 43 |
| Y-Junction | p. 46 |
| All-Fiber Approach | p. 50 |
| Hybrid Architectures With Integrated Optics: Optimal "Y-Tap" or "Y-Coupler" Configuration | p. 51 |
| Problem of Polarization Reciprocity | p. 55 |
| Rejection Requirement With Ordinary Single-Mode Fiber | p. 55 |
| Use of Polarization-Preserving Fiber | p. 58 |
| Use of Depolarizer | p. 59 |
| Use of an Unpolarized Source | p. 59 |
| References | p. 61 |
| Backreflection and Backscattering | p. 63 |
| Problem of Backreflection | p. 63 |
| Reduction of Backreflection With Slant Interfaces | p. 63 |
| Influence of Source Coherence | p. 66 |
| Problem of Backscattering | p. 67 |
| Coherent Backscattering | p. 67 |
| Use of a Broadband Source | p. 68 |
| Evaluation of the Residual Rayleigh Backscattering Noise | p. 69 |
| References | p. 72 |
| Analysis of Polarization Nonreciprocities With Broadband Source and High-Birefringence Fiber | p. 73 |
| Depolarization Effect in High-Birefringence Polarization-Preserving Fibers | p. 73 |
| Analysis of Polarization Nonreciprocities in a Fiber Gyroscope Using an All-Polarization-Preserving Waveguide Configuration | p. 75 |
| Intensity-Type Effects | p. 75 |
| Comment About Length of Depolarization L[subscript d] vs. Length of "Polarization Correlation" L[subscript pc] | p. 80 |
| Amplitude-Type Effects | p. 83 |
| Use of a Depolarizer | p. 84 |
| Testing With Optical Coherence Domain Polarimetry (OCDP) Based on Path-Matched White-Light Interferometry | p. 86 |
| References | p. 91 |
| Transience-Related Drift and Noise | p. 93 |
| Effect of Temperature Transience | p. 93 |
| Effect of Acoustic Noise and Vibration | p. 96 |
| References | p. 96 |
| Truly Nonreciprocal Effects | p. 97 |
| Magneto-Optic Faraday Effect | p. 97 |
| Nonlinear Kerr Effect | p. 101 |
| References | p. 106 |
| Scale Factor Accuracy | p. 107 |
| Problem of Scale Factor in the Interferometric Fiber Gyroscope | p. 107 |
| Closed-Loop Operation | p. 108 |
| Use of a Frequency Shift | p. 108 |
| Analog Phase Ramp or Serrodyne Modulation | p. 111 |
| Digital Phase Ramp | p. 115 |
| All-Digital Closed-Loop Processing Method | p. 121 |
| Wavelength Control | p. 126 |
| Wavelength Dependence of a Ring Interferometer With a Broadband Source | p. 126 |
| Effect of Phase Modulation | p. 129 |
| Wavelength Control Schemes | p. 130 |
| References | p. 132 |
| Technology of the I-FOG | p. 135 |
| Recapitulation of the Optimal Operating Conditions | p. 135 |
| Source | p. 136 |
| Superluminescent Diode | p. 136 |
| Rare-Earth Doped Fiber Sources | p. 138 |
| Fiber Coil | p. 140 |
| "Heart" of the Interferometer | p. 141 |
| Detector | p. 142 |
| References | p. 144 |
| Alternative Approaches for the I-FOG | p. 147 |
| Alternative Optical Configurations | p. 147 |
| Alternative Signal Processing Schemes | p. 149 |
| Open-Loop Scheme With Use of Multiple Harmonics | p. 149 |
| Second Harmonic Feedback | p. 149 |
| Gated Phase Modulation Feedback | p. 150 |
| Heterodyne and Pseudo-Heterodyne Schemes | p. 151 |
| Beat Detection With Phase Ramp Feedback | p. 153 |
| Dual Phase Ramp Feedback | p. 155 |
| Extended Dynamic Range With Multiple Wavelength Source | p. 155 |
| References | p. 157 |
| Resonant Fiber-Optic Gyroscope (R-FOG) | p. 159 |
| Principle of Operation of an All-Fiber Ring Cavity | p. 159 |
| Signal Processing Method | p. 163 |
| Reciprocity of a Ring Fiber Cavity | p. 165 |
| Parasitic Effects in the R-FOG | p. 168 |
| References | p. 169 |
| Applications and Trends | p. 173 |
| Present State of Development | p. 173 |
| Trends for the Future and Concluding Remarks | p. 174 |
| References | p. 175 |
| Basics of Optics | p. 177 |
| Optical Wave in a Vacuum | p. 177 |
| Polarization of an Optical Wave | p. 181 |
| Propagation in a Dielectric Medium | p. 185 |
| Geometrical Optics | p. 193 |
| Dielectric Interface: Reflection, Refraction, and Waveguidance | p. 194 |
| Interferences | p. 198 |
| Multiple-Wave Interferences | p. 205 |
| Diffraction and Gaussian Beam | p. 208 |
| Coherence | p. 212 |
| Birefringence | p. 225 |
| Bibliography | p. 231 |
| Basics of Single-Mode Fiber Optics | p. 233 |
| Discrete Modal Guidance in a Step Index Fiber | p. 233 |
| Single-Mode Fiber | p. 237 |
| Practical Silica Single-Mode Fibers | p. 244 |
| Coupling in a Single-Mode Fiber | p. 245 |
| Birefringence in a Single-Mode Fiber | p. 252 |
| Polarization-Preserving Fibers | p. 257 |
| Interference With Single-Mode Fibers and Related Components | p. 266 |
| Bibliography | p. 271 |
| Basics of Integrated Optics | p. 273 |
| Integrated-Optic Channel Waveguide | p. 273 |
| LiNbO[subscript 3] Integrated Optics | p. 276 |
| Proton-Exchanged Waveguides | p. 281 |
| Bibliography | p. 284 |
| Electromagnetic Theory of the Relativistic Sagnac Effect | p. 285 |
| Special Relativity and Electromagnetism | p. 285 |
| Electromagnetism in a Rotating Frame | p. 294 |
| Case of a Rotating Toroidal Dielectric Waveguide | p. 297 |
| Bibliography | p. 299 |
| Symbols | p. 301 |
| About the Author | p. 307 |
| Index | p. 309 |
| Table of Contents provided by Syndetics. All Rights Reserved. |
