Примеры использования Diffraction limit на Английском языке и их переводы на Русский язык
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Low Quality Camera Lens far from the diffraction limit.
Diffraction limits resolution, and even at f/5.6 with the DSLRs I could see some slight effects.
Very High Quality Camera Lens close to the diffraction limit.
Diffraction limit of optical microscopy impedes imaging of biological objects much smaller than the wavelength of light.
However, at high magnification the effective f-stop is actually what determines the diffraction limit- not necessarily the one set by your camera.
This means that as the diffraction limit is approached, the first signs will be a loss of resolution in green and pixel-level luminosity.
The first superlens with a negative refractive index provided resolution three times better than the diffraction limit and was demonstrated at microwave frequencies.
Diffraction limited multi-spectral images of the asteroid 4 Vesta have been obtained in the near IR at ESO-La Silla station.
Airy rings can be seen, which indicates that the diffraction limit of the Calar Alto Observatory's 2.2 m telescope was reached.
To determine the resolution of the optical system various criteria are used,the most well-known being the diffraction limit or Abbe limit. .
Practically five times“overcoming” the diffraction limit of resolution related to more complicated and, therefore, cost of equipment and production of chips.
Such nanoantennas act as a“nano-source” of light giving possibility of optical imaging with resolution less than a diffraction limit up to~ 10 nm.
Solar telescopes need optics large enough to achieve the best possible diffraction limit but less so for the associated light-collecting power of other astronomical telescopes.
An optical system in which the resolution is no longer limited by imperfections in the lenses butonly by diffraction is said to be diffraction limited.
Spatial resolution of these optical techniques reaches 10 nm- exceeding diffraction limit of classical optical resolution by a factor of 50.
Depth of field is muchshallower for larger format sensors, however one could also use a smaller aperture before reaching the diffraction limit.
Imaging of biological sample beyond the diffraction limit was first demonstrated in 1992 using near-field scanning optical microscopy- NSOM(or scanning near-field optical microscopy- SNOM) 26.
Since the size of the airy disk also depends on the wavelength of light,each of the three primary colors will reach its diffraction limit at a different aperture.
Used at a 1% selection or less, lucky imaging can reach the diffraction limit of even 2.5 m aperture telescopes, a resolution improvement factor of at least five over standard imaging systems.
Near-field optical microscopy is based on the properties of near(evanescent) field,which allows to overcom a diffraction limit of classical optical microscopy.
Even when a camera system is near or just past its diffraction limit, other factors such as focus accuracy, motion blur and imperfect lenses are likely to be more significant.
Power beaming by microwaves has the difficulty that, for most space applications,the required aperture sizes are very large due to diffraction limiting antenna directionality.
Keywords: diffraction limit; super-resolution fluorescence microscopy; structured illumination microscopy; stimulated emission depletion microscopy; single-molecule localization microscopy.
As a result of the sensor's anti-aliasing filter(and the Rayleigh criterion above),an airy disk can have a diameter of about 2-3 pixels before diffraction limits resolution assuming an otherwise perfect lens.
Just because the diffraction limit has been reached(with large pixels) does not necessarily mean an image is any worse than if smaller pixels had been used(and the limit was surpassed); both scenarios still have the same total resolution.
Keep in mind that the onset of diffraction is gradual, so apertures slightly larger orsmaller than the above diffraction limit will not all of a sudden look better or worse, respectively.
Images are more susceptible to diffraction as the f-stop increases; at high f-stop settings,diffraction becomes so pronounced that it begins to limit image resolution the"diffraction limit.
In other words, if one were to use the smallest aperture before diffraction became significant,all sensor sizes would produce the same depth of field- even though the diffraction limited aperture will be different.
However, the imaging resolution of telescopes with apertures much larger than r 0{\displaystyle r_{0}}(thus including all professional telescopes)will be limited by the turbulent atmosphere, preventing the instruments from approaching the diffraction limit.
While it's true that a smaller sensor will have a greater depth of field at the same f-stop, this isn't a fair comparison,because the larger sensor can get away with a higher f-stop before diffraction limits resolution.