搜索结果: 151-165 共查到“光学工程 fiber”相关记录425条 . 查询时间(0.187 秒)
Temperature-insensitive 2-D tilt sensor by incorporating fiber Bragg gratings with a hybrid pendulum.
Fiber Bragg gratings (FBGs) Fiber-optic sensors Tilt measureme nt Temperature insensitive Hybrid pendu lum
2013/5/27
A novel two-dimensional (2-D) tilt sensor is demonstrated by incorporating only twofiber Bragg gratings (FBGs) with a hybrid pendulum transducer. The pendulum transducer is specially designed with hol...
Bit error rate (BER) performance of return-to-zero and non-return-to-zero data signals optical code division multiple access (OCDMA) system based on AND detection scheme in fiber-to-the-home (FTTH) networks
spectral amplitudes coding – optical code division multiple access detectionscheme subtraction technique non-return-to-zero (NRZ) and return-to-zero (RZ) pulse generator
2011/5/5
In this paper, we will focus on the modulation format used to create the optical pulses, which are
return-to-zero (RZ), and non-return-to-zero (NRZ). Bit error rate (BER) performance is evaluated
ba...
Hybrid technique based on chirp effect and phase shifts for spectral Talbot effect in sampled fiber Bragg gratings (FBGs)
fiber Bragg gratings Talbot effect dispersion optical fiber communication
2011/5/5
To implement the spectral Talbot effect in sampled fiber Bragg gratings (SFBGs), a hybrid
technique based on a chirp effect and phase shifts is proposed. Firstly, the general phase condition
is deri...
Temperature-Insensitive 2-D Pendulum Clinometer Using Two Fiber Bragg Gratings
Clinometer fiber Bragg gratings (FBGs) fiber-optic sensors temperature-insensitive.
2013/5/27
A novel two-dimensional (2-D) clinometer has been demonstrated by attaching two fiber Bragg gratings (FBGs) on a deliberately designed pendulum composed of a tapered cylin-drical beam and a mass. Due ...
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 ...
Advanced Technologies for Next-Generation Fiber Networks
Fiber optics communications Systems
2015/6/11
We review key advanced technologies for next-generation optical networking. These include advanced physical layer techniques for 100 Gb/s transmission, packet-based transport in core and metro network...
High Performance Photonic Integrated Circuits for Coherent Fiber Communication
Fiber optics communications Integrated optics devices
2015/6/10
Advanced modulation format transmitters and receivers used in optical coherent systems are highly complex, containing many interconnected elements. Photonic integration can reduce the footprint, cost,...
Linear and Nonlinear Properties of Ultra-Compact Fiber Device
fiber optics amplifiers oscillators Nonlinear optics fibers
2015/6/10
Linear and nonlinear characteristics of devices using millimeter-scale spools of highly-nonlinear fiber are investigated within 1200-2400nm band. An ultracompact tunable short-wave infrared source was...
Full Characterization of Noise Figure Spectrum in a Single- Pumped Fiber Parametric Amplifier
Fiber optics amplifiers and oscillators Nonlinear optics four-wave mixing Raman effect
2015/6/10
For the first time, an asymmetric NF spectrum induced by both Raman induced excess noise and Raman modified pump transferred noise of a fiber parametric amplifier has been measured. Experimental resul...
Noise Figure Measurements in Phase-Insensitive and Phase-Sensitive Fiber Parametric Amplifier Cascade
Fiber optics amplifiers and oscillators Nonlinear optics four-wave mixing
2015/6/10
By cascading two non-degenerate inline fiber-optic parametric amplifiers, we observe NF ~2dB (beating phase-insensitive quantum limit) at 16-dB gain for the second (phase-sensitive)stage after subtrac...
1-Tb/s DWDM Amplification in a Fiber Optical Parametric Amplifier
Parametric oscillators amplifiers Fiber optics communications
2015/6/10
We report less than 1-dB cross-talk penalty for 26 DWDM channels modulated at 43.7 Gb/s RZ-DPSK when amplified by a fiber optical parametric amplifier showing compatibility with high-capacity (> 1 Tb/...
PMD and PDL Behavior of Aerial Fiber with the Accelerated Jones-Matrix Eigenanalysis
Fibers characterization Fiber measurements
2015/6/10
Polarization characteristics of aerial SMF were examined with the accelerated Jones-Matrix Eigenanalysis, comparing to interferometric method. PMD shows strong correlation with environmental changes b...
Characterization of structural irregularities in highly birefringent photonic crystal fiber based on polarization coupling by torsional acoustic wave
Form birefringence Fiber optics Photonic crystal fibers Acousto-optical devices
2015/6/10
We propose and demonstrate a novel method to characterize the variation of the birefringence induced by structural irregularities in highly birefringent photonic crystal fiber with high accuracy based...
Distributed Birefringence Measurement of Polarization Maintaining Fiber Using Transient Brillouin Grating
Fibers polarization maintaining Scattering stimulated Brillouin
2015/6/10
We propose a true distributed birefringence measurement of polarization-maintaining fiber based on transient Brillouin grating. A birefringence variation of 2.5×10 -6 along 8 m Bow-tie fiber is measur...
Dynamic Birefringence Induced Extensional Stress in Curled Hole-Assisted Fiber
Fiber measurements Birefringence
2015/6/10
This paper describes the dynamic birefringence induced by the extension of a curled optical hole-assisted fiber, which increases linearly under high tension. This technique can be a used for monitorin...
