lpg sensor vibration

The LPG vibration sensor array is achieved by using a combination of wavelength division multiplexing (WDM) and space division multiplexing (SDM) technique. In the experiment, the LPG sensor array ...

20140602· A highly sensitive fiberoptic mechanical vibration sensor is constructed by using a cascaded long period fiber grating (LPG) based on an intensity modulation scheme. In the fabrication process, the cascaded LPG, which is composed of a pair of identical LPGs with a certain distance, is inscribed in a length of photosensitive singlemode optical fiber by means of a pointbypoint technique ...

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Keywords: longperiod fiber grating (LPG), vibration sensor, fiber optic sensor, intensity modulation scheme . 1.!INTRODUCTION Fiber optic vibration sensors have been subject of great interest due to its relatively small dimension , inherent insolation provided by the fiber itself and immun ity to electromagnetic effects1. Nowa days, a large diversity of vibration sensors are being used in ...

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LPG fiber optic sensor applied to the flexural vibration monitoring and determination of dynamic Young’s modulus of woods L Mosquera, L. Yana, J. Basurto, and Ana Torre Author Information . Author Affiliations. L Mosquera, 1, * L. Yana, 1 J. Basurto, 1 and Ana Torre 1. 1 Universidad Nacional de Ingenieria, Apartado 1301, Lima Perú * Corresponding author: lmosquera Find other ...

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20130506· A fiber optic sensor based on a longperiod grating (LPG) inscribed in a photonic crystal fiber is investigated for vibration sensing for structural monitoring applications. In this paper, preliminary results are shown demonstrating the sensor ability to detect vibration induced in a test structure. The sensor frequency response when attached to a loudspeakeracrylic plate stimulation system ...

A longperiod grating (LPG) written on a standard single mode fiber is investigated as a curvature and vibration sensor. It is demonstrated a high sensitivity to applied curvature and the possibility to monitor vibration in a wide range of frequencies from 30 Hz to 2000 Hz. The system was tested using an intensity based interrogation scheme with the LPG sensor operating in the curvature regime ...

The LPG vibration sensor array is achieved by using a combination of wavelength division multiplexing (WDM) and space division multiplexing (SDM) technique. In the experiment, the LPG sensor array ...

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CONFERENCE PROCEEDINGS Papers Presentations Journals. Advanced Photonics Journal of Applied Remote Sensing

20110501· Bendingcharacteristics of long period fiber gratings (LPGs) are investigated for use in LPG vibration sensors based on an intensity modulation scheme, in which a tunable laser is used for an optical source with its wavelength tuned to a transmission spectrum curve of an attenuation dip of an LPG and the partially transmitted light through the LPG is modulated in intensity by applied vibrations.

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A longperiod grating (LPG) written on a standard single mode fiber is investigated as a curvature and vibration sensor. It is demonstrated a high sensitivity to applied curvature and the possibility to monitor vibration in a wide range of frequencies from 30 Hz to 2000 Hz. The system was tested using an intensity based interrogation scheme with the LPG sensor operating in the curvature regime.

It is confirmed that the LPG vibration sensor yields a clear and stable signal waveform and shows good linearity when the amplitude of the vibration strain is varied. The dynamic range of the sensor would be more than 100 dB, which is larger than that with a FBG as a sensing element. Since a LPG is known to show higher sensitivity to static strain when one uses a higherorder cladding mode, it ...

Top 3 New DWire Sensors: Vibration, Water and Propane Level. DWire sensors from DPS Telecom are simple and inexpensive plugandplay style sensors. Typically, they are used for environmental monitoring of temperature and/or humidity. A DWire Analog Module can be used to interface to other kinds of sensor devices and voltages, including current transducers. DWire sensors can be …

L. Mosquera, L. Yana, J. Basurto, and A. Torre, "LPG fiber optic sensor applied to the flexural vibration monitoring and determination of dynamic Young’s modulus of woods," in Optical Sensors and Sensing Congress, OSA Technical Digest (Optical Society of America, 2020), paper

20160530· A longperiod grating (LPG) written on a standard single mode fiber is investigated as a curvature and vibration sensor. It is demonstrated a high sensitivity to applied curvature and the possibility to monitor vibration in a wide range of frequencies from 30 Hz to 2000 Hz. The system was tested using an intensity based interrogation scheme with the LPG sensor operating in the curvature …

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