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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...
A sensor head cons is t in g of a photonic cr ystalfiber ( PCF)-b ased Mac h –Zehnderinterferometer(MZI) anda fiber Bragg grating (F BG) i s proposed and experimentally demo nstrated for simultaneous ...
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...
Compact refractometer based on extrinsic-phase-shift fiber Bragg grating
Refractometer Extrinsic-phase-shift Fiber Bragg grating Compact sensing structure Large measurement range
2013/5/27
A novel method to measure refractive index of liquids by using an extrinsic-phase-shift fiber Bragg grating(EPS-FBG) is proposed and experimentally demonstrated. The EPS-FBG is obtained by separating ...
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...
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...
Refractive-index sensor based on tilted fiber bragg grating interacting with multimode fiber.
optical fiber sensors tilted fiber Bragg gratings refractive index measurement
2013/5/27
A simple refractive-index fiber sensor based on a tilted Bragg fiber grating (TFBG) interacting with multimode fiber (MMF) is described. The sensor structure is formed by insertion of a small section ...
Optical Phase and Amplitude Control for Beamforming with Cascades of Gires-Tournois Bragg Grating Filters
Radio frequency photonics Analog optical signal processing
2015/6/8
We report experimental results on an optical beamformer capable of independent amplitude and phase control of RF signals fed to an antenna array. We investigate its performance for beam direction adju...
Intrinsic temperature sensitivity of tilted fiber Bragg grating based surface plasmon resonance sensors
temperature sensitivity tilted fiber Bragg grating plasmon resonance sensors
2013/5/27
A miniature surface plasmon resonance sensor is fabricated from a gold-coated standard optical fiber with an in-core tilted fiber Bragg grating fabricated by UV exposure. The sensor h...
Highly sensitive bend sensor with hybrid long-period and tilted fiber Bragg grating.
Long period grating Tilted fiber Bragg grating Cladding mode recoupling Bend sensor Curvature measureme nt
2013/5/27
We demonstrate a new type offi ber optic bend sensor with a hybrid structure made up of a long period grating (LPG) and a tilted fiber Bragg grating (TFBG). The sensing mechanis m is based on the spec...
A novel method for high temperature measurements using fiber Bragg grating sensor
fiber Bragg grating chemical composition grating long period grating broadband source 3 dB coupler optical spectrum analyzer
2011/5/9
This paper reports the simulation, design and experimental analysis of a fiber Bragg grating (FBG)
temperature sensor, making use of chemical composition grating (CCG), which ranges from room
temper...
Multiwavelength fiber ring laser utilizing a multiple phase- shifts phase-only sampled fiber Bragg grating
Multiwavelength fiber multiple phase- shifts phase-only sampled Bragg grating
2015/7/16
A simple technique to multiply the lasing wavelength in a semiconductor optical amplifier (SOA)-based fiber ring laser is proposed and demonstrated, which is based on the utilization of a multiple pha...
Tunable Birefringent Phase-Shift Induced in Fiber Bragg Grating by a Shape Memory Alloy Ferrule
Tunable Birefringent Phase-Shift Induced Fiber Bragg Grating Shape Memory Alloy Ferrule
2015/7/15
We present a new method to induce low loss tunable birefringent phase shifts in fiber Bragg grating by applying mechanical stresses at precise locations along the FBG with a specially designed shape m...