Photonic Crystal Fiber IFOGs

Tawney, J.; Willig, R.; Alonzo, J.; Bise, Ryan T.; DiMarcello, F.; Monberg, Eric M.; Stöckert, T.; Trevor, D. J.

doi:10.1364/ofs.2006.me8

Cited by 13 publications

(6 citation statements)

References 4 publications

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“…The effective fundamental mode index of the PM-PCF and PANDA fiber are 1.442 and 1.451, respectively. Considering B A = 10 −4 T = 1 G and D = 34 mm, the calculated axial magnetic sensitivity of the miniature PCF-FOG and the conventional PMF-FOG according to (9) are 0.56 • /(h•G) and 1.90…”

Section: Numerical Simulationmentioning

confidence: 99%

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Transverse Magneto-Optic Error of a Miniature Solid-Core Photonic-Crystal Fiber Optic Gyroscope

Cai

Song

et al. 2019

IEEE Access

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The transverse magneto-optic error is a significant nonreciprocal error of fiber optic gyroscopes, particularly for the miniature fiber optic gyroscope. In this paper, the transverse magneto-optic error of a solid-core photonic-crystal fiber optic gyroscope is theoretically analyzed and experimentally measured, as well as compared with that of the conventional fiber optic gyroscopes. The results show that the transverse magneto-optic error per turn of the miniature photonic-crystal fiber optic gyroscope is ∼ 3.5 times smaller than that of the conventional fiber optic gyroscopes. A thinner µ-metal shield can be used in a miniature photonic-crystal fiber optic gyroscope, resulting in less cost and weight. Meanwhile, the experimental and the calculated results agree well with each other, which illustrates that the transverse magneto-optic error derives mainly from the bend-induced asymmetry distribution of the refractive index in fiber. Considering the remarkable properties of the solid-core photonic-crystal fibers, they are the good candidates for the future miniature fiber optic gyroscopes.

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Section: Numerical Simulationmentioning

confidence: 99%

“…The magnetically induced lateral shift of the fiber mode is a micro perturbation of that induced by fiber bending. The solid-core PCF shows better bending characteristics than the conventional PMFs [9], [10]. Thus, the mode of a photonic-crystal fiber (PCF) may shift by a smaller amount than the mode of a conventional PMF.…”

Section: Introductionmentioning

confidence: 99%

Transverse Magneto-Optic Error of a Miniature Solid-Core Photonic-Crystal Fiber Optic Gyroscope

Cai

Song

et al. 2019

IEEE Access

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“…Photonic crystal fiber (PCF) has attracted a lot of attention since its emergence, especially in the application of interferometric fiber optic gyroscope (IFOG). Since 2006, Jesse Tawney et al have used PCF in IFOG and obtained significant performance improvement [3]. With the continuous development of PCF fabrication technology, lower-cost and better-quality PCFs are emerging in the market, providing potential for low cost and integration of IFOG.…”

Section: Introductionmentioning

confidence: 99%

Miniaturized interferometric fiber optic gyroscope based on a novel Y-waveguide and photonic crystal fiber

Jin,

Liao,

Zhou

2024

International Academic Conference on Optics and Photonics (IACOP 2023)

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In this paper, we have designed and constructed a fully digital interferometric fiber optic gyroscope (IFOG) system. The design employs photonic crystal fiber and an optical integrated chip made using thin-film lithium niobate material. The optical integrated chip contains the optical path part of the fiber optic gyroscope, which makes the light source, detector, and Y-waveguide all integrated on the chip, effectively improving the system integration. In this paper, the performance of the prototype is tested and analyzed. The test result shows that the zero-bias stability reaches 0.19°/h after running for one hour. The scale factor nonlinearity is 79 ppm in the dynamic range from -25 °/s to 25 °/s. The IFOG with photonic crystal fiber and an optical integrated chip containing thin-film lithium niobate Y-waveguide has been successfully miniaturized and integrated, which has the potential for commercialization and popularization.

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“…Solid-core PCF gyros with an LD product equal to 2.9 in-km have been reported, and the measured bias error was less than 0.02 °/h [ 9 ]. Meanwhile, research on air-core PCF gyroscopes has demonstrated the substantial improvement these devices have on thermal stability, Kerr-induced drift and Faraday-effect-induced error [ 10 ]. However, a high scattering loss and its fabrication complexity makes this type of device unpractical in FOG applications.…”

Section: Introductionmentioning

confidence: 99%

Thermally Optimized Polarization-Maintaining Photonic Crystal Fiber and Its FOG Application

Zhang

et al. 2018

Sensors

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In this paper, we propose a small-diameter polarization-maintaining solid-core photonic crystal fiber. The coating diameter, cladding diameter and other key parameters relating to the thermal properties were studied. Based on the optimized parameters, a fiber with a Shupe constant 15% lower than commercial photonic crystal fibers (PCFs) was fabricated, and the transmission loss was lower than 2 dB/km. The superior thermal stability of our fiber design was proven through both simulation and measurement. Using the small-diameter fiber, a split high precision fiber optic gyro (FOG) prototype was fabricated. The bias stability of the FOG was 0.0023 °/h, the random walk was 0.0003 °/h, and the scale factor error was less than 1 ppm. Throughout a temperature variation ranging from −40 to 60 °C, the bias stability was less than 0.02 °/h without temperature compensation which is notably better than FOG with panda fiber. As a result, the PCF FOG is a promising choice for high precision FOG applications.

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Photonic Crystal Fiber IFOGs

Abstract: We have built and tested an interferometric fiber-optic gyroscope made with photonic crystal fiber. This paper reports the test results and examines the advantages of photonic crystal fiber for this type of gyroscope.

Cited by 13 publications

References 4 publications

Transverse Magneto-Optic Error of a Miniature Solid-Core Photonic-Crystal Fiber Optic Gyroscope

Transverse Magneto-Optic Error of a Miniature Solid-Core Photonic-Crystal Fiber Optic Gyroscope

Miniaturized interferometric fiber optic gyroscope based on a novel Y-waveguide and photonic crystal fiber

Thermally Optimized Polarization-Maintaining Photonic Crystal Fiber and Its FOG Application

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