搜索结果: 31-45 共查到“光学工程 fiber”相关记录425条 . 查询时间(0.125 秒)
This investigation demonstrates the generation of OFDM-RoF signal using frequency doubling technique for the first time, to the author’s best knowledge. The 4-Gb/s OFDM signal using 16-QAM format modu...
Theoretical investigation of polarization-insensitive data format conversion of RZ-OOK to RZ-BPSK in a nonlinear birefringent fiber
polarization insensitive date birefringent Theoretical
2011/11/17
Compared with traditional RZ-OOK, RZ differential phase-shift keying (RZ-DPSK) requires about 3-dB lower optical signal-to-noise ratio (OSNR) to achieve the same bit-error rate (BER), but a more compl...
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 ...
Partially liquid-filled hollow-core photonic crystal fiber polarizer
Partially liquid-filled hollow-core photonic crystal fiber polarizer
2013/5/27
A compact fiber polarizer is demonstrated by the filling of selected air holes of a hollow-core photonic crystal fiber (PCF) with a liquid. The liquid-filling results in an asymmetric waveguide struct...
Complete All-Optical Silica Fiber Isolator via Stimulated Brillouin Scattering
Brillouin scattering electrostriction optical fi bers optical isolators.
2015/8/10
This study demonstrates the theoretical operation of an all-optical silica fiber isolator using stimulated Brillouin scattering. Two pump sources that copropagate through a double-mode fib...
Polyvinyl alcohol–coated hybrid fiber grating for relative humidity sensing
fiber Bragg grating tilted-fiber Bragg grating humidity sensing polyvinyl alcohol
2013/5/27
A relative humidity (RH) sensor based on a hybrid fiber grating coated with polyvinyl alcohol is proposed and demonstrated experimentally. The hybrid fiber grating is formed by superimposing a normal ...
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...
Optical Fiber Link with 1E-19 frequency stability using a Planar-Waveguide External Cavity Laser Diode
Optical Fiber Link 1E-19 frequency Planar-Waveguide External Cavity Laser Diode
2011/8/3
Abstract: We compare the performances of a compact planar-waveguide external cavity laser (ECL) and a traditional fiber laser (FL) frequency locked to a Fabry-P\'erot cavity and demonstrate the possib...
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...
A proposal of a novel polarizer based on a partial liquid-filled hollow-core photonic bandgap fiber
Photonic bandgap fiber (PBGF) Fiber polarizer Liquid-filled
2013/5/27
A novel polarizer is designed by liquidfi lling in partial air-holes of a hollow-core photonic bandgap fi ber(PBGF) forming an asymmetric waveguide structur e, which leads to the vertical polarization...
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 ...
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 ...
Distributed MIMO Antenna Architecture for Wireless-over-Fiber Backhaul with Multicarrier Optical Phase Modulation
Coherent communications Phase modulation Radio frequency photonics
2015/5/26
A novel optical phase-modulated wireless-over-fiber backhaul architecture for next generation cellular network is presented and experimentally demonstrated for high capacity wireless multicarrier upli...