搜索结果: 1-15 共查到“光学工程 planar”相关记录27条 . 查询时间(0.076 秒)
Spatial control of surface plasmon polariton excitation at planar metal surface
Surface plasmons Thin films Phase modulation Spatial light modulators
2014/8/6
We illustrate that the surface plasmon polariton (SPP) excitation through the prism coupling method is fundamentally limited by destructive interference of spatial light components. We propose that th...
Scan registration using planar features
Registration Laser scanning Point cloud Segmentation
2014/6/30
Point cloud acquisition by using laser scanners provides an efficient way for 3D as-built modelling of indoor/outdoor urban environments. In the case of large structures, multiple scans may be require...
PLANAR PROJECTION OF MOBILE LASER SCANNING DATA IN TUNNELS
Laser scanning point cloud automation adjustment rectification
2012/7/24
Laser scanning is now a common technology in the surveying and monitoring of large engineering infrastructures, such as tunnels, both in motorways and railways. Extended possibilities exist now with t...
Design and Analyses of a Planar Zoom Module as a Beam Expander
planar zoom module beam expander planar optics planar integrated free space optics diffractive optics
2011/11/25
A novel planar zoom module (PZM) is presented in this article. The PZM is realized by integrating optical elements on its surfaces with the folding optical axis and performing the zoom function by tra...
Optical Properties of the Coupling Interface for Planar Optical Waveguides
Planar Optical Waveguide Coupling Interface Beam Propagation Optical Property
2011/9/30
Planar optical waveguides are the key elements in a modern, high-speed optical network. An important problem facing the optical fiber communication system, specifically planar optical waveguides, is c...
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
2011/7/7
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...
Hybrid Integration of Semiconductor Optical Amplifier and Silica-based Planar Lightwave Circuit for Low Polarization Dependent Gain
Integrated optics devices Waveguides planar
2011/5/26
We demonstrated a semiconductor optical amplifier hybrid-integrated with a silica-based planar lightwave circuits. With deploying polarization diversity circuit, polarization dependent gain was reduce...
Fourier-Transform, Integrated-Optic Spatial-Heterodyne Spectrometer with 1 GHz Resolution on a Silica-Based Planar Waveguide
Waveguides planar Spectroscopy Fourier transforms Integrated optics devices
2011/5/26
We present fabrication details and measurements of a high-resolution planar-waveguide spatial heterodyne spectrometer incorporating 64 asymmetric Mach-Zehnder interferometers.Measurements verify 1 GHz...
CWDM Planar Concave Grating Multiplexer/Demultiplexer and Application in ROADM
CWDM Planar Concave Grating Multiplexer/Demultiplexer ROADM
2011/5/15
We report a SOI based 1×4 coarse wavelength-division-multiplexer (CWDM) planar concave grating multiplexer/demultiplexer and applications in re-configuration optical add/drop multiplexer (ROADM) syste...
Refractive index profiles of planar waveguides produced in electrodiffusion processes
planar waveguides field-assisted ion-exchange
2011/4/26
The paper presents the results of investigation which demonstrate the possibilities to shape refractive index profiles of planar waveguides produced in glass using the ion exchange technique with the ...
Optical Phase Conjugation in Chalcogenide Planar Waveguides for Compensating Signal Transmission Effects
Nonlinear optical signal processing Phase conjugation Nonlinear optical devices
2010/6/10
We report optical phase conjugation of wavelength multiplexed signals using a chalcogenide planar waveguide inserted along a transmission link. Distortion compensation of 3×40 Gb/s RZ-DPSK signals pro...
1650-km transmission of 50-Gb/s NRZ and RZ-DQPSK signals generated using an electroabsorption modulators- silica planar lightwave circuit hybrid integrated device
Fiber optics and optical communications Integrated optoelectronic circuits
2010/6/5
We demonstrate long-haul transmission of 50-Gb/s RZ and NRZ-DQPSK signals generated using an electroabsorption-based optical vector modulator. Transmission over 1650 km is achieved with less than 1.2 ...
Generating 20 GHz and 40 GHz Pulse Trains from a 10 GHz Mode-Locked Laser Using a Tunable Planar Lightwave Circuit and Nonlinear Wavelength Conversion
Integrated optics devices Optical communications
2010/6/4
We demonstrate the generation of 20 GHz and 40 GHz pulse trains using a tunable planar lightwave circuit (PLC) and nonlinear wavelength conversion. The PLC is a 6-stage lattice-form Mach-Zehnder inter...
Planar Lenses Based on Nanoscale Slit Arrays in a Metallic Film
Planar Lenses Nanoscale Slit Arrays Metallic Film
2009/8/10
We experimentally demonstrate planar lenses based on nanoscale slit arrays in a metallic film. Our lens structures consist of optically thick gold films with micron-size arrays of closely ...
Understanding the dispersion of coaxial plasmonic structures through a connection with the planar metal-insulator-metal geometry
coaxial plasmonic structures planar metal-insulator-metal geometry
2009/8/10
We elucidate the dispersion behavior of deep-subwavelength propagating modes in coaxial plasmonic structures by making an explicit connection with the planar metal-insulator-metal geometry. We provide...