This books first edition was published in the early 1990s. Fiber optic interferometric circuit and magnetic field sensor us6798523b2 en 200409. For the moment, they make use of mechanical gyroscopes or gas laser gyroscopes. Oecc2011ultimate performance fog version 31511 ixblue.
The top countries of supplier is china, from which the percentage of fiber optic gyroscope supply is 94% respectively. Integrated optical driver for interferometric optical. We present an optical fiber gyroscope that, for the first time, is composed completely of singlemode fiberoptic components. When rotating, the orientation of this axis is unaffected by tilting or rotation of the mounting. If the basic design rules of the fog have remained unchanged, the technology has. I can t for the life of me settings dee application data pharaohs secret exe 20060324. Pdf polarimetry fiber optic gyroscope researchgate. Among the technologies available for gyroscopes usable in space, the fibre optic gyroscope fog technology appears to be the most suitable. Scope of the presentation 4 the fiber optic gyroscope shall be described within this presentation, at first focusing on the interferometric roots according to sagnacs effect.
Download pdf info publication number wo1999035467a2. Written by one of the fields leading experts, this landmark reference presents a thorough system analysis of the fiberoptic gyroscope fog, describing the concepts that have emerged as the preferred solutions for. His doctorate research was performed at thales formerly thomsoncsf central research laboratory and his thesis subject was pioneering work on the fiberoptic gyroscope. Abstract not available bibtex entry for this abstract preferred format for this abstract see preferences find similar abstracts. A fibreoptic gyroscope fog senses changes in orientation using the sagnac effect, thus performing the function of a mechanical gyroscope.
Optical part this part is a fiber optic ring interferometer comprising fiber coil, phase modulator, two fused fiber optic couplers, fiber optic polarizer, super luminescent light module. Shaw, compens ation of the optical kerr effect in fiberoptic gyroscopes. With the development of low loss single mode optical fiber waveguides, it is possible to construct a gyroscope using optical fibers. The basic phenomenon underlying optical rotation sensing is known as the sagnac effect. For calculating the sagnac phase shift, an optical path laying on a. Light from an external source is split and injected into the fiber ends, travels in clockwise and counterclockwise directions and is recombined to form. The rotation sensing part of a fog consists of a very simple interferometer. Selected papers on fiber optic gyroscopes 1989 smith. The fiber optic gyroscope second edition download ebook.
Realizing the potential of the fiber optic gyro, like the ring laser gyro, has been a long and expensive process. Optics and laser technology, volume 25, issue 6, p. Yjunction and pair of pushpull lowvoltage phase modulators. Fiber optic gyroscopes fogs and hene ring laser gyroscopes rlgs have a distinguished record of being amongst the most sensitive and widely used optical sensors to date 1. He earned his doctorate in opticsphotonics from the university of parisorsay in 1979.
The fiber optic gyroscope fog is a solid state rotation sensor with no moving parts. Pdf interferometric closedloop fiberoptic gyroscopes. Lefevre fiber optic gyro pdf download lefevre fiber optic gyro pdf. Spie 9157, 23rd international conference on optical fibre sensors, 91572d 2 june 2014. The fiberoptic gyroscope, second edition kindle edition by lefevre, herve c download it once and read it on your kindle device, pc, phones or tablets. Use features like bookmarks, note taking and highlighting while reading the fiberoptic gyroscope, second edition. Saabs fiber optic gyros, fog, are designed to provide maximum stabilisation in tough environments. The fiberoptic gyroscope started to be investigated in the mid 70s, opening the way for a fully solidstate rotation sensor. Pdf we report a different mechanism for rotation sensing by analyzing the polarization of light exiting from a sagnac loop.
Protonexchanged linbo 3 integratedoptic circuit very high polarizer rejection manufactured by ixblue. Fiberoptic gyroscope technology and ringlaser gyroscope technology. The implementation of the fiber optic gyroscope is mainly based on the segnik theory. The interferometric fiber optic gyroscope ifog was proposed in 1968 1 and has been. The sensor has all solidstate optical devices for the precise measurements of mechanical rotation. The fiber optic gyroscope a sagnac interferometer for. Fiber optic gyroscope pdf theory gyroscope optical fiber scribd.
This paper describes the development of fiber optic gyroscope fog for space applications at leos. Fiber optic gyroscopes fogs are free from the sensitivity problem which is common in strapdown devices in the form of false zero outputs at low rotation rate measurements 5, 6, 7. Recently, optolink has presented new fiberoptic gyroscope srs5000 with bias performance, amongst the best closed loop fiberoptic gyroscope performance published to date. Now the development of lowloss optical fibers and compact and reliable semiconductor light sources for the telecommunication industry has made possible a new approach. The configuration is a multiturn sagnac interferometer. An overview of optical gyroscopes theory, practical. A new method was used to design a microoptical transceiver module of an interferometric fiber optic gyroscope ifog system. We demonstrate that a fiberoptic ring resonator can provide a rin power density reduction psd of 18db allowing the fog to operate near the photonnoise limit. Written by one of the fields leading experts, this landmark reference presents a thorough system analysis of the fiberoptic gyroscope fog, describing the concepts that have emerged as the preferred solutions for obtaining a practical device.
Is manufacturing oneaxis open loop fiber optic gyroscopes. Drawing on 15 years of research and developments, it describes the concepts that have emerged as the preferred solutions for obtaining a practical device, and provides access to the. Pdf the operation of fiber optic gyro is based on the sagnac effect. 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. Lefevre is chief scientific officer of ixblue in france. This effect shows that the propagation time of light. Integrated optical driver for interferometric optical gyroscopes minh a. Davis in mit conference proceedings on fiberoptic rotation sensors 1981 3 source statistics and the kerr effect in fiberoptic gyroscopes, r. The first integrated optical driver chip for fiber optic.
Thanks to the ultralow propagation loss in optic fibers, ifogs was able to achieve extremely high sensitivity and has become a mature technology for inertial navigation systems 1. The interferometer includes a beam splitter and a single length of fiber formed into a loop. The fiberoptic gyroscope by herve lefevre, 9781608076956, available at book depository with free delivery worldwide. It is a spinning wheel or disc in which the axis of rotation spin axis is free to assume any orientation by itself. A wide variety of fiber optic gyroscope options are available to you, there are 118 suppliers who sells fiber optic gyroscope on, mainly located in asia. Lefevre, fiberoptic gyroscope, in optical fiber sensors, vol. The fiberoptic gyroscope, second edition, lefevre, herve. Ppt optical gyroscope powerpoint presentation free to. They feature solidstate, lowdrift, high shock usability, small size and short startup time and are available as basic single axis fog sensor, 1, 2 and 3axis solutions with analogue or digital outputs. Two decades after the first edition of this book in the early nineties, it has seemed timely to prep. That is the reason it is sometimes called an active ring resonator. Global fiber optic gyroscope market is growing at a significant rate in the forecast period 20182025 fiber optic gyroscope market is expected to reach usd 1,675.
Digital dual ramp phase modulator for fiber optic gyroscope. A microoptical transceiver for interferometric fiber. The application of integrated optical components into a single module provides a method of increasing the level of integration with the real potential of reducing unit cost and raising the reliability. Fiber optic gyro 8088 000112 the fiber optic gyro fog is a compact, solid state, single axis rate sensor. Realizing the potential of the fiber optic gyro, like the ring laser gyro, has been a. This system has increased simplicity and stability over previous bulkoptic designs and has the potential for very high rotation sensitivity. Herve lefevre artec house, 1993, isbn 0890065373, pp. Fiber optic gyroscope pdf theory free download as pdf file. Sagnac effect, reciprocity, allfiber components, integrated optics, signal processing principles, and recent trends like multiaxis gyro with source sharing or multiplexing, and erbiumdoped fiber source. Design and development of fiber optic gyroscopes 2019 udd. It was firstly seen as limited to mediumgrade applications, but today, it reaches ultimate theoretical performance and surpasses its wellestablished competitor, the ring laser gyroscope, in terms of bias noise and longterm stability. Introduction principle of the fiberoptic gyroscope reciprocity of a fiber ring interferometer backreflection and backscattering analysis of polarization nonreciprocities with broadband source and highbirefringence polarizationmaintaining fiber time transience.
However its principle of operation is instead based on the interference of light which has passed through a coil of optical fibre, which can be. In the sagnac effect two identical light beams traveling in opposite directions around a closed loop path. From fiber optic gyroscope to exceptional points michel digonnet. An interferometric fiber optic gyroscope is formed by three essential components.
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