Multiple fiber Bragg grating interrogation based on a spectrum-limited Fourier domain mode-locking fiber laser

Chen, Daru; Shu, Chester; He, Sailing

doi:10.1364/ol.33.001395

Cited by 69 publications

(33 citation statements)

References 8 publications

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“…Hu et al in reference [63] also showed a 150 km long distance FBG sensor system combining Raman and EDF amplification. The FBG 150 km far away from the monitoring station only offered 1 dB of OSNR.…”

Section: Demonstrated Systemsmentioning

confidence: 99%

Optical Fiber Networks for Remote Fiber Optic Sensors

Fernández-Vallejo

Lopez-Amo

2012

Sensors

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This paper presents an overview of optical fiber sensor networks for remote sensing. Firstly, the state of the art of remote fiber sensor systems has been considered. We have summarized the great evolution of these systems in recent years; this progress confirms that fiber-optic remote sensing is a promising technology with a wide field of practical applications. Afterwards, the most representative remote fiber-optic sensor systems are briefly explained, discussing their schemes, challenges, pros and cons. Finally, a synopsis of the main factors to take into consideration in the design of a remote sensor system is gathered.

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Section: Demonstrated Systemsmentioning

confidence: 99%

Optical Fiber Networks for Remote Fiber Optic Sensors

Fernández-Vallejo

Lopez-Amo

2012

Sensors

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“…Nowadays, the main disadvantage of this type of technology resides on the considerable cost of the interrogation system. Nevertheless several techniques have been investigated to make this type of sensors cost effective [11,[16][17][18][19][20][21][22][23][24][25][26][27][28].…”

Section: Introductionmentioning

confidence: 99%

Biaxial Optical Accelerometer and High-Angle Inclinometer With Temperature and Cross-Axis Insensitivity

et al. 2012

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In this paper, we describe the implementation and test of an optical fiber biaxial accelerometer and inclinometer based on fiber Bragg gratings. The proposed sensor is a low cost and simple solution to measure acceleration and relative rotation in two orthogonal directions, which can be used for structural health monitoring. Sensitivities of 87.848 and 92.351 pm.g −1 , for each sensitive direction with resonant frequencies of 846.01 and 845.33 Hz, respectively, are achieved. For the inclinometer, the tilt sensitivities are 1.43 ± 0.03 and 1.38 ± 0.03 pm/º for each orthogonal sensitive direction for angular rotations smaller than 45º. For inclinations higher than 45º, a suitable calibration expression is presented.

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“…Optical fiber sensors [1][2][3][4][5][6][7][8][9][10][11][12][13] have attracted considerable attention in the past several decades due to their wide applications for a great variety of measurements such as temperature, strain, chemical concentration, refractive index, hydrostatic pressure and their advantages such as small size, light weight, high sensitivity, multiplexing capability, and immunity to electromagnetic interference. Among them, several hydrostatic pressure sensing techniques have been developed, which include hydrostatic pressure sensors based on birefringent fibers [14][15][16], photonic crystal fibers (PCFs) (or microstructured fibers) [17][18][19][20][21][22][23][24], fiber Bragg gratings (FBGs) [18], and Fabry-Pérot interferometers (FPIs) [25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Hydrostatic Pressure Sensor Based on a Gold-Coated Fiber Modal Interferometer Using Lateral Offset Splicing of Single Mode Fiber

Chen¹,

Cheng²

2012

PIER

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Abstract-A novel hydrostatic pressure sensor based on a gold-coated fiber modal interferometer (FMI) is proposed and demonstrated. Two single mode fibers (SMFs) are spliced with a lateral offset which forms a single-end FMI. The single-end FMI is gold-coated to enhance the reflectivity and to avoid the influence of any unwanted light from getting into the sensor. Relative reflection spectra of the proposed FMIs with different sensing SMF lengths or different lateral offsets are experimentally investigated. A high hydrostatic pressure sensor test system is proposed for the testing of the proposed FMI pressure sensor. The performance of a gold-coated FMI pressure sensor based on a 12-mm sensing SMF has been experimentally investigated. The proposed pressure sensor has a sensing range from 0 to 42 MPa and a sensitivity of 53 pm/MPa.

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Multiple fiber Bragg grating interrogation based on a spectrum-limited Fourier domain mode-locking fiber laser

Cited by 69 publications

References 8 publications

Optical Fiber Networks for Remote Fiber Optic Sensors

Optical Fiber Networks for Remote Fiber Optic Sensors

Biaxial Optical Accelerometer and High-Angle Inclinometer With Temperature and Cross-Axis Insensitivity

Hydrostatic Pressure Sensor Based on a Gold-Coated Fiber Modal Interferometer Using Lateral Offset Splicing of Single Mode Fiber

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