搜索结果: 1-6 共查到“光学工程 deep-subwavelength”相关记录6条 . 查询时间(0.098 秒)
Spectral light separator based on deep-subwavelength resonant apertures in a metallic film
Spectral light separator deep-subwavelength resonant apertures metallic film
2014/8/6
We propose to funnel, select, and collect light spectrally by exploiting the unique properties of deep-subwavelength resonant apertures in a metallic film. In our approach, each aperture has an ...
Routing of Deep-Subwavelength Optical Beams and Images without Refl ection and Diffraction Using Infi nitely Anisotropic Metamaterials
Deep-Subwavelength Optical Beams Images without nitely Anisotropic
2013/8/7
Many photonic structures, including waveguides, lenses, and photonic bandgap materials, benefi t greatly from the large index contrast provided by such media.
Deep subwavelength plasmonic waveguide switch in double graphene layer structure
Deep subwavelength plasmonic waveguide switch double graphene layer structure
2013/8/7
Graphene provides excellent prospects of the dynamic tunability, low propagation loss, and extreme mode confinement for plasmonic excitations in the infra-red and terahertz frequencies.We show t...
Fabrication-error-tolerant, Hybrid Wedge Plasmon Polariton Waveguides for Ultra-deep-subwavelength Mode Confinement at 1550nm Wavelength
Fabrication-error-tolerant Hybrid Wedge Plasmon Polariton Waveguides
2011/5/15
A novel hybrid plasmonic waveguide based on a triangular metal wedge is proposed. The structure could achieve ultra-deep-subwavelength mode confinement with low-loss, while its mode properties are sti...
Deep-Subwavelength Focusing and Steering of Light in an Aperiodic Metallic Waveguide Array
Deep-Subwavelength Focusing Light Aperiodic Metallic Waveguide Array
2009/8/10
We consider an aperiodic array of coupled metallic waveguides with varying subwavelength widths.For an incident plane wave, we numerically demonstrate that a focus of as small as one-hundredth of a wa...
Enlarging the bandwidth of nanoscale propagating plasmonic modes in deep-subwavelength cylindrical holes
nanoscale propagating plasmonic modes deep-subwavelength cylindrical holes
2007/8/10
Subwavelength cylindrical holesin optically thick metallic films alwayssupport a propagating HE11 mode near the surface plasmon frequency, regardless of how small the holes are. For holes ᤙ...