搜索结果: 1-15 共查到“光电子技术 Sensor”相关记录31条 . 查询时间(0.062 秒)
Slow-Light Fiber-Bragg-Grating Strain Sensor With a 280- Resolution
Fiber Bragg gratings fi ber optics sensors
2015/8/7
We report a fiber strain sensor based on a single fiber Bragg grating (FBG) with a minimum detectable strain of 280 in the 20-kHz range. This breakthrough was made possible by operating th...
Temperature-Independent Fiber Bending Sensor Based on a Superimposed Grating
Bending measurement fiber-optic sensor super-imposed grating tilted fiber Bragg grating (TFBG)
2013/5/27
A compact fiber bending sensor has been presented by superimposing a uniform fiber Bragg grating (FBG) into a tilted fiber Bragg grating (TFBG). The reflection of FBG is modulated by the same bandwidt...
We demonstrated a laser diode position sensor for a near-field height control system. The feedback signal of the laser diode sensor resulted from self-mixing interferometry was characterized and model...
A fiber loop mirror temperature sensor demodulation technique using a long-period grating in a photonic crystal fiber and a band-pass filter
fiber loop mirror temperature sensor demodulation technique a long-period grating in a photonic crystal fiber a band-pass filter
2013/5/27
A fiber loop mirror (FLM) temperature sensor using a long-period grating (LPG) written in a photonic crystal fiber (PCF) and a band-pass filter as a demodulator is proposed. By utilizing the stable fi...
Highly sensitive fiber loop ringdown strain sensor using photonic crystal fiber interferometer
Highly sensitive fiber loop ringdown strain sensor photonic crystal fiber interferometer
2013/5/27
A highly sensitive strain sensor is demonstrated by introducing a photonic crystal fiber (PCF) Mach–Zehnder interferometer (MZI) in a cavity ringdown fiber loop as a sensing element. The MZI is fabric...
A Temperature-Insensitive Twist Sensor by Using Low-Birefringence Photonic-Crystal-Fiber-Based Sagnac Interferometer
Birefringence low-birefringence photonic crystal fi ber optical fi ber twist sensor Sagnac interferometer
2013/5/27
An optical fi ber twist sensor is proposed by using solid core low birefringence photonic crystal fi ber (LB-PCF)-based Sagnac interferometer. The twist effects on the fi ber are theoret-ically analyz...
Novel temperature-insensitive fiber Bragg grating sensor for displacement measurement
Displacement Fiber Bragg grating Sensor
2013/5/27
A novel temperature-insensitive displacement sensor based on a fiber Bragg grating (FBG) is presented. A FBG is glued onto the surface of a specially designed cantil...
High-sensitivity temperature sensor based on an alcohol-filled photonic crystal fiber loop mirror.
High-sensitivity temperature sensor an alcohol-filled photonic crystal fiber loop mirror.
2013/5/27
A compact temperature sensor based on a fiber loop mirror (FLM) combined with an alcohol-filled high-birefringence photonic crystal fiber (PCF) is proposed and experimentally demonstrated. The output ...
Distribution Optical Sensor System on the 610-m Guangzhou New TV Tower
Fiber Bragg gratings Remote sensing sensors
2015/5/25
An FBG sensing network consisting of over 200 sensors are installed on the Guangzhou New TV Tower for long-term monitoring of strain, temperature and inclination to provide a mean for structural healt...
Fabrication of a temperature-insensitive transverse mechanical load sensor by using a photonic crystal fiber-based Sagnac loop
birefringence load sensor photonic crystal fiber (PCF) Sagnac interferometer
2013/5/27
An optical fiber transverse mechanical load sensor is fabricated by using a short section of a solid core photonic crystal fiber (PCF) which is inserted inside a Sagnac fiber loop. An initial transver...
Lateral force sensor based on a core-offset tilted fiber Bragg grating.
Tilted fiber Bragg grating Core offset Lateral force sensor Cladding mode Differential power
2013/5/27
A novel lateral force sensor based on a core-offset tilted fi ber Bragg grating (TFBG) is propo sed and experimentall y demonstrated. The lateral force is determined by the differential refl ected pow...
Temperature-independent fiber bragg grating tilt sensor.
fiber Bragg gratings (FBGs) fiber-optic sensors temperature-insensitive tilt measurement
2013/5/27
A novel fiber Bragg grating (FBG) tilt sensor is proposed to detect the magnitude and the direction of a two-dimensional inclination by using four FBGs. High angle sensitivity and measurement resoluti...
Temperature-independent vibration sensor with a fiber bragg grating.
vibration sensor fiber Bragg grating cantilever beam temperature-independent measurement
2013/5/27
A novel temperature-independent vibration sensor based on a fiber Bragg grating (FBG) is demonstrated. The FBG was glued in a slanted direction onto the lateral side of a right-angled triangle cantile...
Curvature sensor based on fiber loop mirror with polarization maintaining fiber.
polarization maintaining fiber curvature sensor fiber loop mirror
2013/5/27
An optical fiber curvature sensor based on fiber loop mirror with a short section of polarization maintaining fiber (PMF) is proposed and demonstrated experimentally. The PMF of about 100 cm long is i...
Directional Bend Sensor Based on Re-Grown Tilted Fiber Bragg Grating.
Bend sensor birefringence cladding mode op-tical fiber sensors tilted fiber Bragg grating
2013/5/27
A novel fiber optic bend sensor is implemented by using a re-grown tilted fiber Bragg grating (TFBG) written in a small core single mode fiber with UV overexposure. The spectrum of the re-grown TFBG c...