Thermal Sensitivity of the Birefringence of Air-Core Fibers and Implications for the RFOG

Zhao, Xiang; Louveau, Joy E; Chamoun, Jacob; Digonnet, Michel J. F.

doi:10.1109/jlt.2014.2326163

Cited by 17 publications

(5 citation statements)

References 18 publications

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“…For example, the TDWS of the silica fiber resonator is about 7.6 pm/°C, and that of the polymer resonator is always more than one hundred pm/°C32. At present, the ROG resonator based on PBF shows the lowest TDWS of about less than 1 pm/°C36. Compared with the reported work, this work gives a ROG resonator with a TDWS of about 2 pm/°C which is smaller than traditional fiber resonators.…”

Section: Resultsmentioning

confidence: 65%

Hybrid fiber resonator employing LRSPP waveguide coupler for gyroscope

Qian

Zhang

et al. 2017

Sci Rep

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Polarization error and temperature noise are two main limits to the performance of resonant fiber optic gyroscope (RFOG). To overcome these limits, we demonstrated a hybrid resonator consisting of a polymer-based long-range surface plasmon polariton (LRSPP) waveguide coupler and a silica fiber. Single-polarization property of LRSPP waveguide and the offsetting of the opposite thermo-optical characteristics between the polymer-based LRSPP waveguide and the silica fiber can effectively inhibit both the polarization error and the temperature noise of RFOG. The measured resonance spectrum of the hybrid resonator shows the absence of polarization noise. The temperature dependence of wavelength shift (TDWS) of resonator dropped to about 2 pm/°C, or even to 0 pm/°C with optimal structure, which dramatically improves the temperature stability of gyroscope system. In addition, the hybrid resonator also shows tremendous application potential in rate-grade and tactical-grade gyroscopes.

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Section: Resultsmentioning

confidence: 65%

Hybrid fiber resonator employing LRSPP waveguide coupler for gyroscope

Qian

Zhang

et al. 2017

Sci Rep

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“…The evolution from solid glass fibers into microstructured hollow-core fibers (HCFs) [8][9][10][11][12] has been driven by many of the fundamental advantages of HCFs, including a high laser damage threshold, low latency, low dispersion, low nonlinearity, and potentially very low attenuation, because of a change in the base material. Consequently, considerable interest in using HCFs in laser delivery, [13,14] gas-light interactions, [15,16] data transmission, [17][18][19][20] and fiber optical gyroscopes [20,21] is taken place. However, when compared with the mature technology of solid glass fibers, the difficulty of creating modal birefringence in an HCF is manifest; on the one hand, air has no photo-elastic effect, therefore ruling out stress birefringence, while on the other hand, a low-loss HCF with a large mode-field diameter usually operates in the weakly guiding region, which is not suited to produce high shape birefringence.…”

Section: Introductionmentioning

confidence: 99%

Highly Birefringent Anti‐Resonant Hollow‐Core Fiber with a Bi‐Thickness Fourfold Semi‐Tube Structure

Hong

Gao

Ding

et al. 2022

Laser & Photonics Reviews

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The optical performance characteristics of anti‐resonant hollow‐core fibers (known as AR‐HCFs or ARFs) are improving rapidly, but the polarization maintaining issue with these fibers remains unresolved. Although a regular nonbirefringent ARF can maintain high polarization purity under static conditions, it cannot resist mechanical disturbances. In this work, by designing a bi‐thickness semi‐tube ARF structure with fourfold rotational symmetry, the first ARF with a level of birefringence close to 10−4 is fabricated. The proposed ARF features a combination of phase birefringence of 9.1 × 10−5, a minimum loss of 185 dB km−1, a bandwidth of 133 nm, and single‐mode operation. Furthermore, the ARF shows high resistance to fiber bending and wide‐range temperature variations, thus confirming that this carefully designed ARF can serve as a practical workhorse in polarization‐related optical fiber applications.

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“…Besides, splices or other polarizationdependent devices add undesirable loss and backscatter to the FRR. The emergence of hollow-core photonic-crystal fiber (HCPCF) offers a novel approach to reduce the Kerreffect-induced drift [17,18] and polarization errors [19,20]. However, other experimental results indicated that the backscattering coefficient of some commercial HCPCFs are two orders of magnitude lager than the typical backscattering coefficient observed for SMF-28 fiber [21,22], which means the RFOG with a single HCPCF ring resonator may increase the Rayleigh backscattering noise.…”

Section: Introductionmentioning

confidence: 99%

“…Numerical simulations show that the Rayleigh backscatters in the PDHC-RFOG will not yield the demodulation error at the gyro output, and the PDHC-RFOG can reduce the Kerr-effect-induced drift by three orders of magnitude compared to the conventional RFOG using a single ring resonator. Moreover, the PDHC-RFOG is expected to suppress the temperature-driven polarization instability by a factor of 10 [20]. Applying the double closed loop [23] and reciprocal modulation-demodulation technique [10] to the PDHC-RFOG, it is encouraging that other parasitic performance barriers in the conventional RFOG, such RAM noise and laser frequency noise, can also be dramatically reduced.…”

Section: Introductionmentioning

confidence: 99%

A Hollow-Core Photonic-Crystal Fiber-Optic Gyroscope Based on a Parallel Double-Ring Resonator

Shen

Chen

Zou

et al. 2021

Sensors

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A novel system structure of resonant fiber optical gyroscope using a parallel double hollow-core photonic crystal fiber ring resonator is proposed, which employs the double closed loop and reciprocal modulation–demodulation technique to solve the problem of the length mismatch between rings. This structure can suppress the residual amplitude modulation noise and laser frequency noise, essentially eliminating the influence of the Rayleigh backscattering noise and dramatically reduce the Kerr-effect-induced drift by three orders of magnitude. Thanks to its excellent noise suppression effect, the sensitivity of this novel system can approach the shot-noise-limited theoretical value of 8.94 × 10−7 rad/s assuming the length of the fiber ring resonator is 10 m.

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Thermal Sensitivity of the Birefringence of Air-Core Fibers and Implications for the RFOG

Cited by 17 publications

References 18 publications

Hybrid fiber resonator employing LRSPP waveguide coupler for gyroscope

Hybrid fiber resonator employing LRSPP waveguide coupler for gyroscope

Highly Birefringent Anti‐Resonant Hollow‐Core Fiber with a Bi‐Thickness Fourfold Semi‐Tube Structure

A Hollow-Core Photonic-Crystal Fiber-Optic Gyroscope Based on a Parallel Double-Ring Resonator

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