Design and Development of Fiber Optic Gyroscopes
Häftad, Engelska, 2019
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Realizing the potential of the fiber optic gyro, like the ring laser gyro, has been a long and expensive process. Many researchers have made important enabling contributions, and many more engineers have worked diligently for many years on solving the problems associated with realizing viable inertial navigation and guidance produce at affordable costs. This book arose from efforts to form a special session to commemorate the fortieth anniversary of the first hardware demonstration of the fiber gyro in 1976 by Vali and Shorthill. The chapters include contributions from key engineers and scientists who have worked from as early as 1977 to the present on manufacturing high-performance fiber gyros for many applications.
Produktinformation
- Utgivningsdatum2019-02-01
- Vikt561 g
- SpråkEngelska
- SeriePress Monographs
- FörlagSPIE Press
- EAN9781510626096
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- 1 A Potpourri of Comments about the Fiber Optic Gyro for Its Fortieth Anniversary: How Fascinating It Was and Still Is!1.1 Introduction1.2 Historical Context of the Sagnac-Laue Effect1.3 Fascinating Serendipity of the Fiber Optic Gyro1.3.1 The proper frequency1.3.2 Perfection of the digital phase ramp1.3.3 The optical Kerr effect1.3.4 Technological serendipity: erbium ASE fiber source and proton-exchanged LiNbO3 integrated-optic circuit1.4 Potpourri of Comments1.4.1 OCDP using an OSA1.4.2 Strain-induced ""T dot"" Shupe effect1.4.3 Transverse magneto-optic effect1.4.4 RIN compensation1.4.5 Fundamental mode of an integrated-optic waveguide1.4.6 Limit of the rejection of stray light in a proton-exchanged LiNbO3 circuit with absorbing grooves1.5 ConclusionAcknowledgmentReferences2 The Early History of the Closed-Loop Fiber Optic Gyro and Derivative Sensors at McDonnell Douglas, Blue Road Research, and Columbia Gorge Research2.1 Introduction2.2 Invention and Demonstration of the Closed-Loop Fiber Gyro2.3 Looking for Error Sources, Finding New Sensors2.4 A Flow of Ideas2.5 Moving into Viable Products and Applications2.6 Summary and ConclusionsAcknowledgmentsReferences3 20 Years of KVH Fiber Optic Gyro Technology: The Evolution from Large, Low-Performance FOGs to Compact, Precise FOGs and FOG–Based Inertial Systems3.1 Introduction3.2 Superior Performance through End-to-End Manufacturing3.2.1 At the heart of the FOG: creating the fiber3.2.2 The core design of KVH open-loop FOGs3.2.3 Design advantages3.2.4 Key gyro performance factors3.3 Evolution of the Technology3.3.1 The creation of D-shaped, elliptical-core fiber3.3.2 The first generation of KVH FOGs3.3.3 The shift to digital signal processing3.3.4 Changing the game: the invention of ThinFiber3.3.5 Expanding capabilities with high-performance fully integrated systems3.4 Setting the Course for the Future of FOG Technology and Expanded Applications3.4.1 Navigation and control3.4.2 Positioning and imaging3.4.3 Stabilization and orientation3.4.4 Looking ahead4 Fiber Optic Gyro Development at Honeywell4.1 Introduction4.2 IFOG Status4.2.1 Navigation-plus-grade IFOGs4.2.2 Strategic-grade IFOGs4.2.3 Reference-grade IFOGs4.3 RFOG Development4.3.1 New RFOG architecture4.3.2 RFOG experimental results4.3.3 RFOG component development and future implementation4.4 SummaryReferences5 Fiber Optic Gyros from Research to Production5.1 Abstract5.2 Research5.3 Development5.4 Productionization5.5 SummaryReferences6 Technological Advancements at Al Cielo Inertial Solutions6.1 Introduction6.2 Standard Control Loop6.2.1 Control model6.2.2 Sub-specifications and verifications6.2.3 Navigation accuracy sub-specification6.2.4 Monte Carlo simulation6.2.5 HITL simulation6.3 Optimized Control Loop6.3.1 Control block6.3.2 Monte Carlo simulation6.3.3 HITL results6.4 Inertial Measurements6.5 ConclusionAcknowledgementReferences7 Current Status of Fiber Optic Gyro Efforts for Space Applications in Japan7.1 Current Status of FOGs for Space Applications7.2 Activities for Improving Coil Performance7.2.1 Symmetrical winding7.2.2 Thermal conductivity and strain attenuation7.2.3 Zero-sensitivity winding design7.2.4 Summary of activity results7.3 ConclusionAcknowledgementReferences8 Fiber Optic Gyro Development at Fibernetics8.1 Introduction and Past Development8.2 Current Development8.3 Basic FOG Design8.4 Dual-Ramp Phase Modulation8.4.1 Low-frequency approach8.4.2 High-frequency approach8.5 Three-Axis Source-Sharing Design8.6 Future Development8.6.1 Multicore fiber8.7 SummaryReferences9 Recent Developments in Laser-Driven and Hollow-Core Fiber Optic Gyroscopes9.1 Introduction9.2 Backscattering Errors in a Laser-Driven FOG9.3 Polarization-Coupling Errors in a Laser-Driven FOG9.4 Kerr-Induced Drift in a Laser-Driven FOG9.5 Techniques for Broadening the Laser Linewidth9.5.1 Linewidth broadening through optimization of the laser drive current9.5.2 Linewidth broadening through external phase modulation9.5.2.1 Principle and advantages9.5.2.2 Linewidth broadening using sinusoidal modulation9.5.2.3 Linewidth broadening using pseudo-random bit sequence modulation9.5.2.4 Linewidth broadening using a Gaussian white noise modulation9.5.3 Measured dependence of noise and drift on laser linewidth9.6 Hollow-Core Fiber Optic Gyroscope9.6.1 Kerr-induced drift9.6.2 Shupe effect9.6.3 Faraday-induced drift9.6.4 Noise and drift performance of HCF FOGs9.7 ConclusionsReferences10 Optical Fibers for Fiber Optic Gyroscopes10.1 Introduction10.2 Coil Fibers10.2.1 Stress- and form-birefringent fiber types10.2.1.1 Elliptical-core form-birefringent fiber10.2.1.2 Bow-tie fibers10.2.1.3 PANDA fiber10.2.1.4 Elliptical-jacket fiber10.2.1.5 Elliptical-core, form-birefringent fiber10.2.2 Microstructures in hollow-core, photonic bandgap fibers10.2.2.1 Bandgap fiber fabrication10.2.3 Multicore fiber10.2.3.1 Fabrication10.3 Coil Fiber Design Considerations10.3.1 Diameter10.3.2 Wavelength10.3.3 Attenuation10.3.4 Polarized versus depolarized design10.3.5 Birefringence10.3.6 Numerical aperture10.3.7 Coating package design10.3.8 Radiation tolerance10.4 Component Fibers10.4.1 ASE sources10.4.2 PM splitters and couplers10.4.3 Polarizing fibers10.5 EpilogueReferences11 Techniques to Ensure High-Quality Fiber Optic Gyro Coil Production11.1 Introduction11.2 Static Performance Parameters and Testing Methods11.2.1 Polarization-maintaining fiber coils11.2.1.1 Insertion loss and polarization extinction ratio11.2.1.2 Distributed polarization crosstalk analyzer11.2.2 Basics of polarization crosstalk in PM fibers11.2.2.1 Classification of polarization crosstalk by causes11.2.2.2 Classification of polarization crosstalk by measurement results11.2.3 Characterization of potting adhesive with a DPXA11.2.4 Characterization of coil quality by polarization crosstalk analysis11.2.5 Polarization-maintaining fiber characterization and screening11.2.5.1 Measurement fixture11.2.5.2 Group birefringence and group-birefringence-uniformity measurements11.2.5.3 Group birefringence dispersion measurement11.2.5.4 Group birefringence thermal coefficient measurement11.2.5.5 PER measurement11.2.5.6 PM fiber-quality evaluation11.2.6 Single-mode fiber coil inspection11.2.6.1 Lumped PMD and PDL measurements11.2.6.2 Distributed transversal stress measurement11.2.6.3 Degree-of-polarization tests11.3 Coil Transient Parameter Characterization11.4 Tomographic (3D) Inspection of Fiber Gyro CoilsAcknowledgementReferences12 A Personal History of the Fiber Optic GyroReferencesAppendix: Additional Fiber Rotation Sensor Books, Papers, and PatentsA.1 Fiber Optic Rotation Sensor Contents in Books and Paper CollectionsReferencesA.2 Accessing the Fiber Optic Rotation Sensor Patent LiteratureReferences