Magnetic sensing technology of fiber optic interferometer based on magnetic fluid: A review

Li, Xuegang; Yu, Qi; Zhou, Xue; Zhang, Yanan; Lv, Ri-qing; Zhao, Yong

doi:10.1016/j.measurement.2023.112929

Cited by 22 publications

(3 citation statements)

References 148 publications

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“…Currently, there are also popular research directions in sensing based on PCF combined structures, such as magnetic sensing based on PCF tapered Mach-Zehnder interferometer structure [69], and surface-enhanced Raman spectroscopy sensing based on PCF [70]. With the continuous advancement of technology, PCF tapered sensors are expected to discover opportunities in new fields such as quantum technology and photonic integration.…”

Section: Photonic Crystal Fibermentioning

confidence: 99%

The Structure and Applications of Fused Tapered Fiber Optic Sensing: A Review

Ban,

Lian

2024

Photonics

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Tapered optical fibers have continuously evolved in areas such as distributed sensing and laser generation in recent years. Their high sensitivity, ease of integration, and real-time monitoring capabilities have positioned them as a focal point in optical fiber sensing. This paper systematically introduces the structures and characteristics of various tapered optical fiber sensors, providing a comprehensive overview of their applications in biosensing, environmental monitoring, and industrial surveillance. Furthermore, it offers insights into the developmental trends of tapered optical fiber sensing, providing valuable references for future related research and suggesting potential directions for the further advancement of optical fiber sensing.

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Section: Photonic Crystal Fibermentioning

confidence: 99%

The Structure and Applications of Fused Tapered Fiber Optic Sensing: A Review

Ban,

Lian

2024

Photonics

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“…As a kind of stable colloidal system, Magnetic fluid comprises nanostructured particles coated with a surfactant suspended in a carrier liquid. When subjected to an external magnetic field, magnetic fluid exhibits diverse magneto-optical properties, including field-dependent transmission, tunable refractive index, the Faraday Effect, and birefringence [ 1 , 2 , 3 ]. Based on these unique properties, magnetic fluid has been widely used in optical filters [ 4 ], optical switches [ 5 ], and magnetic field sensing [ 6 , 7 , 8 , 9 , 10 ].…”

Section: Introductionmentioning

confidence: 99%

An Intensity-Demodulated Fiber-Optic Magnetometer Based on Nanostructured Magnetic Fluid-Filled Fluidic Photonic Crystal Fibers

Zhu,

Wang,

Lin

et al. 2024

Nanomaterials

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An intensity-demodulated fiber-optic magnetometer is proposed and experimentally investigated, which is fabricated via fusion splicing a segment of photonic crystal fiber (PCF) between single-mode fibers (SMFs), with the cladding air holes of PCF filled with magnetic fluid. Using the magneto-optical properties of the magnetic fluid, the transmission spectrum is changed with an external magnetic field. Based on the intensity variations in the transmission spectrum, the magnetic field is detected, and a sensitivity of 0.238 dB/mT is obtained at 1550.03 nm with the length of PCF 5.5 cm. By converting light signals into electrical signals, a sensitivity of 0.003 V/mT is achieved. The fiber-optic magnetometer possesses the advantages of simple fabrication, compact/robust structure, and low cost.

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“…Electric current and/or magnetic field fiber optic sensors have been known, developed and commercialized [1] for quite some time for the purposes of the power industry [2] and special applications [3]. These sensors are based either on the Faraday effect in the fiber itself, or in bulk materials [4] which use optical fiber transducers, such as fiber Bragg gratings (FBG), interferometers, or refractometers [5][6][7][8][9][10][11] in combination with magnetic field sensitive materials. These sensors are characterized by specific advantages and disadvantages as well as varying simplicity and complexity.…”

Section: Introductionmentioning

confidence: 99%

A Spectrally Interrogated Polarimetric Optical Fiber Sensor for Current Measurement with Temperature Correction

Eftimov,

Dyankov,

Kolev

et al. 2023

Sensors

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We report on a study of the temperature dependence of the response of a BSO crystal based polarimetric current sensor with spectral interrogation. Two possible interrogation schemes are discussed. The spectral dependence of the optical rotation along the crystal caused by temperature and current changes is investigated, and approximate dependences for the sensitivities to current SI and temperature ST are derived. A mixed term in the response with spectral interrogation is revealed, the elimination of which is achieved by tracking wavelength shifts Δλ1 and Δλ2 of two distinct extrema in the polarimetric response. A temperature independent second degree equation for the current changes ΔI as a function of the measured spectral shifts is derived and tested.

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Magnetic sensing technology of fiber optic interferometer based on magnetic fluid: A review

Cited by 22 publications

References 148 publications

The Structure and Applications of Fused Tapered Fiber Optic Sensing: A Review

The Structure and Applications of Fused Tapered Fiber Optic Sensing: A Review

An Intensity-Demodulated Fiber-Optic Magnetometer Based on Nanostructured Magnetic Fluid-Filled Fluidic Photonic Crystal Fibers

A Spectrally Interrogated Polarimetric Optical Fiber Sensor for Current Measurement with Temperature Correction

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