搜索结果: 1-15 共查到“光电子技术 gratings”相关记录23条 . 查询时间(0.078 秒)
Sensitivity analysis and optimization of sub-wavelength optical gratings using adjoints
Sensitivity analysis sub-wavelength optical gratings
2015/8/6
Numerical optimization of photonic devices is often limited by a large design space: the finite-differences gradient method requires as many electric field computations as there are design...
Dislocated Double-Layer Metal Gratings: An Efficient Unidirectional Coupler
Unidirectional coupler surface plasmon polariton metal grating Wood’s anomaly
2015/8/6
We propose theoretically and demonstrate experimentally a dislocated double-layer metal grating structure, which operates as a unidirectional coupler capable of launching surface plasmon polaritons in...
Fabrication of Microfiber-Based Bragg Gratings with Ultraviolet-Light Exposure
Fiber Bragg gratings Integrated optics devices Microstructure fabrication
2015/5/22
We fabricated microfiber-based Bragg gratings with ultraviolet-light exposure. Bragg reflections are observed for gratings with diameters of several micron-meters. The dependence of Bragg grating char...
Developments and Applications of Microstructured Fiber Bragg Gratings
Fiber optics components Fiber Bragg gratings Microstructured fibers
2015/5/22
Nowadays, fiber Bragg gratings (FBGs) indisputably represent one of the most powerful in-fiber tools for the development of effective sensing and communication devices.Within this fiber technology, th...
WDM Multi-Channel Filter Based On Sampled Gratings In Silicon-on-Insulator
Integrated optics devices Wavelength filtering devices
2015/5/22
The design and fabrication of sampled gratings on silicon-on-insulator rib waveguides is presented. A multiple reflection up to 20 channels with a spacing of 0.78 nm is demonstrated, with potential fi...
Analog Signal Performance of a Hollow-Core-Waveguide using High-Contrast-Gratings
Analog Signal Performance Hollow-Core-Waveguide High-Contrast-Gratings
2015/5/21
On-chip analog signal performance of high-contrast-grating hollow-core-waveguide is evaluated. SFDR of >100 dB can be achieved for IM3 over a wide RF frequency range of 80 GHz and optical wavelength b...
A Study on Refractive Index Changes Induced by Heating the Long-Period Fiber Gratings in Different Temperatures
Refractive Index Different Temperatures ong-Period Fiber Gratings
2015/5/15
A silica fiber and long-period gratings were heated to clarify the effect of the glass structure and the residual stress relaxations on the fiber index profile and resonance wavelengths.The profile ch...
Intensity-Modulated Optical Fiber Sensors Based on Chirped-Fiber Bragg Gratings
Optical fiber sensors fiber Bragg gratings intensity-modulated sensors
2013/5/27
Intensity-modulated fiber Bragg grating (FBG) sensors, compared with normal wavelength-encoding FBG sensors, can reduce the cost of sensor system significantly by using cost-efficient optical power...
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...
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 ...
The role of Arrayed Waveguide Gratings in energy-efficient optical switching architectures
Networks packet-switched Optical communications
2015/6/11
The power consumption of large IP routers is incresing too fast with the increase of Internet traffic. This power consumption can be reduced if Optical Switching Fabrics (OSFs) are used instead of ele...
A “Linear” High-Contrast Gratings Hollow-Core Waveguide and its System Level Performance
Gratings Nonlinear Systems Waveguides
2015/6/9
The high-contrast gratings assisted hollow-core waveguide demonstrates an ultra-low nonlinearity (<6×10 -13 /W/m). Digital and analog system-level simulations further show that the waveguide does not...
Fabrication of fiber Bragg gratings in 40 μ μm diameter low GeO 2 silica fiber using cw-Ar + -laser
Fiber Bragg gratings photosensitivity Fiber optics components
2015/6/4
Mean index changes >10 -3 were obtained in non-hydrogen-loaded ~3% GeO 2 -doped silica fibers with a 9/40 μm core/cladding diameter using a cw 244-nm-Ar + -laser. Core stress changes are positive indi...
Highly-Birefringent Tunable Long-Period Fiber Gratings in Hollow-Core Photonic Bandgap Fiber by Use of Mechanical Pressure
Gratings Fiber optics Photonic crystal fibers
2015/6/4
The mode coupling properties of highly-birefringent tuneable LPGs formed in HC-PBGF are presented. The mode coupling from the fundamental core mode to higher-order guided mode of a HC-PBGF is obtained...
Temperature-insensitive 2D tilt sensor with three fiber Bragg gratings.
fiber Bragg gratings fiber-optic sensors tilt measurement
2013/5/27
A two-dimensional (2D) tilt sensor based on three optical fiber Bragg gratings (FBGs) isproposed and demonstrated. Experimental results show that a high measurement sensitivity of 192 pm/◦ and r...