- diffraction-limited imaging system
- дифракционно-ограниченная изображающая система
Англо-русский словарь промышленной и научной лексики. 2014.
diffraction-limited imaging system
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Diffraction-limited system — Memorial to Ernst Karl Abbe, who approximated the diffraction limit of a microscope as , where d is the resolvable feature size, λ is the wavelength of light, n is the index of refraction of the medium being imaged in, and θ (depicted as α in the … Wikipedia
Diffraction — Computer generated intensity pattern formed on a screen by diffraction from a square aperture … Wikipedia
Diffraction topography — (short: topography ) is an X ray imaging technique based on Bragg diffraction. Diffraction topographic images ( topographs ) record the intensity profile of a beam of X rays (or, sometimes, neutrons) diffracted by a crystal. A topograph thus… … Wikipedia
Lucky imaging — M15 coreLucky imaging (also called lucky exposures) is one form of speckle imaging used for astronomical photography. Speckle imaging techniques use a high speed camera with exposure times short enough (100 ms or less) so that the changes in the… … Wikipedia
Photoacoustic imaging in biomedicine — Photoacoustic imaging, as a hybrid biomedical imaging modality, is developed based on the photoacoustic effect. In photoacoustic imaging, non ionizing laser pulses are delivered into biological tissues (when radio frequency pulses are used, the… … 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
Thirty Meter Telescope — The Thirty Meter Telescope (TMT) will be a ground based astronomical observatory with a 30 metre (98 foot) diameter segmented mirror capable of observations from the near ultraviolet to the mid infrared (0.31 to 28 micrometres). An adaptive… … Wikipedia
Speckle pattern — A speckle pattern is a random intensity pattern produced by the mutual interference of a set of wavefronts. This phenomenon has been investigated by scientists since the time of Newton, but speckles have come into prominence since the invention… … Wikipedia
Very Large Telescope — VLT redirects here. For other uses, see VLT (disambiguation). Very Large Telescope The four Unit Telescopes that form the VLT together with th … Wikipedia
Circumbinary planet — An artist s impression of the giant planet orbiting the binary system PSR B1620 26, which contains a pulsar and a white dwarf star and is located in the globular cluster M4. A circumbinary planet is a planet that orbits two stars instead of one.… … Wikipedia
Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… … Wikipedia
