Examples of using Diffraction limit in English and their translations into Portuguese
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Beam quality near diffraction limit.
A superlens, or super lens, is a lens which uses metamaterials to go beyond the diffraction limit.
This is below the diffraction limit of conventional microscopes 250 nanometers.
This was because they were unable to go beyond the diffraction limit.
STED microscopy has been able to circumvent the diffraction limit and has revolutionized imaging in this field.
The diffraction limit is a feature of conventional lenses and microscopes that limits the fineness of their resolution.
This means: live cell imaging below the diffraction limit!
The small focused laser beam is diffraction limited which means that there is no stray lateral interference, which improves the image contrast.
This region allows it to be possible to achieve the best optical performance of the system represented by its diffraction limit curve.
Many lens designs have been proposed that go beyond the diffraction limit in some way, but constraints and obstacles face each of them.
Assisted by the sketch of the effective PSF,you define the general level of resolution below the diffraction limit you need.
STED microscopy is a stunningly simple way to overcome the diffraction limit- where fluorescence is generated is scaled down to sub-diffraction size.
Since its inception, confocal microscopy has required light sources with high brightness anda beam profile which is easily focused into a diffraction limited spot.
Due to these two factors,any point source of light that is smaller than the diffraction limit will appear to be blurry and larger than it really is.
Assuming quality(diffraction limited) optics, lenses with larger numerical apertures collect more light and will generally provide a brighter image, but will provide shallower depth of field.
This would allow the use of electrons to image objects much smaller than the previous diffraction limit set by visible light.
Super-resolution microscopes and nanoscopes overcome the diffraction limit of light and allow investigators to study subcellular structures in greater detail than achieved with a standard confocal microscope.
Super-resolution microscopy is based on the knowledge that the position of a single fluorophore can be located much more precisely than the~200 nm range dictated by the diffraction limit.
The short wavelength of UV light helps to improve the image resolution beyond the diffraction limit of optical microscopes using normal white light.
As STED is able to produce imaging beyond the diffraction limit(the point at which molecules less than 200 nm can be distinguished from one another), super-resolved images can be produced.
Fifty stars with separations between 0.″058 e 2.″1 were observed,which allowed to obtain high-quality optical speckle data in binaries with separations close to the diffraction limit of the telescope.
Super-resolution(SR) fluorescence microscopy encompasses a variety of techniques that can exceed the diffraction limit- the point at which molecular nanostructures can be distinguished from one another.
Fifty stars with separations between 0. â€3058 e 2. â€31 were observed,which allowed to obtain high-quality optical speckle data in binaries with separations close to the diffraction limit of the telescope.
The high-quality astrometric information obtained at different wavelengths and close to the diffraction limit of the telescopes is of vital importance in the determination of orbits and dynamical parameters of binary and multiple stars.
The PSF(Point Spread Function) of an instrument is a characteristic that describes this"blur effect", orhow an object smaller than the diffraction limit appears under certain imaging conditions.
However, many subcellular biological structures lie below the diffraction limit of visible light, meaning conventional light microscopy cannot be utilized for visualizing all cell architecture. Point-localization super-resolution imaging.
To fully benefit from the resolution of confocal imaging,the focal spot created by the objective needs to be diffraction limited for the full application wavelength range and field of view.
It was recognized that an electron beam could be used as a source of very short wavelength andthe possibility to create images of a sample with even higher resolution, beyond the diffraction limit of visible and UV light.
They are not good for low light, and not great in the moderately low light their maximum apertures permit,but about as good as any others at f/8 to f/16(past that, diffraction limits the resolution of all lenses) except in trivial cases such as with brick walls.
Square Pinhole Objectives Figure 1 In addition to the objective, confocal systems usually also use a tube lens TL positioned at the distance f TL to thebackfocal plane of the objective and a scan lens ScL positioned at the distance f ScL to the backfocal plane of the tube lens to achieve diffraction limited illumination Figure 2.