Comments About Fiber-Optic Gyroscopes

Lefèvre, Hervé

doi:10.1117/12.942493

Cited by 20 publications

(11 citation statements)

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“…The simplest one is a Michelson interferometer with an analyzer at the input (instead of the waveplates in one arm) (Fig. 7) [11,12]. In this case, the optical spectrum after the analyzer becomes…”

Section: Comparison With Other Interferometric Setupsmentioning

confidence: 99%

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Optimized Polarization Mode Dispersion Measurement with “π-Shifted” White Light Interferometry

Martin¹,

LeBoudec²,

Taufflieb³

et al. 1996

Optical Fiber Technology

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Section: Comparison With Other Interferometric Setupsmentioning

confidence: 99%

“…Different setups have been proposed for the interferometric method [4,5,[11][12][13]. The simplest one is a Michelson interferometer with an analyzer at the input (instead of the waveplates in one arm) (Fig.…”

Section: Comparison With Other Interferometric Setupsmentioning

confidence: 99%

Optimized Polarization Mode Dispersion Measurement with “π-Shifted” White Light Interferometry

Martin¹,

LeBoudec²,

Taufflieb³

et al. 1996

Optical Fiber Technology

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“…Since superluminescent sources have a limited degree of polarization (typically SO%), an analyzer is inserted to fully polarized the light. At N + 1 points, spaced a distance A L >> L, * Lb/A, a localized stress is applied to the fiber, thus a fraction IC of the light power traveling in the reference mode is coupled to the orthogonal mode (sensing mode) [8], [9].…”

Section: Signal Analysis Of Continuous Serial Array Of Coherence Mulmentioning

confidence: 99%

High-performance serial array of coherence multiplexed interferometric fiber-optic sensors

Gusmeroli

1993

J. Lightwave Technol.

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Absfmct-A noise analysis of coherence multiplexed interferometric sensors on a serial array configuration is presented. From the analysis it yields that in order to improve the system performance the source induced noise and the crosstalk noise must be lowered. The design of a low-coherence polarimetric sensors array multiplexed on-line is reported too. The very lowcoherence length of the superluminescent source employed and the high precision of the technique used to distribute power among the different multiplexed sensing segments of optical fiber permit to overcome these two noise sources and to realize on-line distributed measurements with high spatial resolution (10 cm), high sensitivity (5 p rad/&) and low crosstalk (-40 dB) over a high number (up to 100) of equal-length segments of fiber.

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“…On the other hand, polarization measurements based on PM-OCDP give a good solution for reading out the location and magnitude of polarization cross-coupling or extinction in the IOC precisely and simultaneously [11][12][13]. In addition, because the readout quantities in this method are not intensity but amplitude coefficient, it is possible to measure even very low values near the noise floor considered in the measurement system.…”

Section: Measurement Of Polarization Characteristics Based On Pm-mentioning

confidence: 99%

Accurate Evaluation of Polarization Characteristics in the Integrated Optic Chip for Interferometric Fiber Optic Gyroscope Based on Path-matched Interferometry

Choi¹,

Jo²

2009

Journal of the Optical Society of Korea

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Accurate evaluation of polarization characteristics in the integrated optic chip (IOC) for interferometric fiber optic gyroscope was performed. Spatial distribution of optical wavetrains caused by the polarization parameters such as local polarization cross-coupling and polarization rejection coefficient of the IOC were measured utilizing the path-matched optical coherence domain polarimetry (PM-OCDP). With the analytic model deduced from Jones matrix representation, we could accurately identify the polarization characteristics of the IOC. Both degree of measurement error due to the imperfect equipment conditions in PM-OCDP and birefringence of IOC chip were also characterized.

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Comments About Fiber-Optic Gyroscopes

Cited by 20 publications

References 0 publications

Optimized Polarization Mode Dispersion Measurement with “π-Shifted” White Light Interferometry

Optimized Polarization Mode Dispersion Measurement with “π-Shifted” White Light Interferometry

High-performance serial array of coherence multiplexed interferometric fiber-optic sensors

Accurate Evaluation of Polarization Characteristics in the Integrated Optic Chip for Interferometric Fiber Optic Gyroscope Based on Path-matched Interferometry

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