subwavelength

subwavelength
(of an optical component) Having dimensions less than the wavelength of the light employed.
2. noun
A wavelength that is a fraction of another

Wikipedia foundation.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • Subwavelength imaging — is a unique imaging technique which allows visualization of features on the viewed object which are smaller than the wavelength of the photons in use. While previously thought to be physically impossible, subwavelength imaging has been made… …   Wikipedia

  • Subwavelength-diameter optical fibre — A subwavelength diameter fibre wraps light around human hair. Subwavelength diameter optical fibre (SDF or SDOF) is an optical fibre whose diameter is less than the wavelength of the light being propagated through the fibre. An SDOF usually… …   Wikipedia

  • Superlens — A superlens, super lens or perfect lens is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is an inherent limitation in conventional optical devices or lenses.[1] In 2000, a type of lens was proposed,… …   Wikipedia

  • Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …   Wikipedia

  • Photonic metamaterial — Electromagnetism Electricity · …   Wikipedia

  • Negative index metamaterials — A negative index metamaterial causes light to refract, or bend, differently than in more common positive refractive index materials. Negative index metamaterials or negative index materials (NIM) are artificial structures where the refractive… …   Wikipedia

  • Metamaterial — Negative index metamaterial array configuration, which was constructed of copper split ring resonators and wires mounted on interlocking sheets of fiberglass circuit board. The total array consists of 3 by 20×20 unit cells with overall dimensions …   Wikipedia

  • Extraordinary optical transmission — (EOT) is an opticalphenomenon that happens in slits that are narrower than the wavelength of the light [Ebbesen, T. W.; Ghaemi, H. F.; Thio, Tineke; Grupp, D. E.; Lezec, H. J, Extraordinary Optical Transmission through Sub wavelength Hole Arrays …   Wikipedia

  • Slot-waveguide — A slot waveguide is an optical waveguide that guides strongly confined light in a subwavelength scale low refractive index region by total internal reflection.A slot waveguide consists of two strips or slabs of high refractive index (nH)… …   Wikipedia

  • Evanescent wave — Schematic representation of evanescent waves propagating along a metal dielectric interface. The charge density oscillations, when associated with electromagnetic fields, are called surface plasmon polariton waves. The exponential dependence of… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”