Stokeslens also known as variable power cross cylinder lens is a lens used to diagnose a type of refractive error known as astigmatism. The Stokes lens...
mathematician George Stokes invented Stokeslens to detect astigmatism. In 1887, American ophthalmologist Edward Jackson revised the Stokeslens concept and made...
cylindrical lens and used it to correct astigmatism. In 1849, Irish English physicist and mathematician George Stokes invented Stokeslens to diagnose...
A ball lens is an optical lens in the shape of a sphere. Formally, it is a bi-convex spherical lens with the same radius of curvature on both sides, and...
The lentil (Vicia lens or Lens culinaris) is an edible legume. It is an annual plant known for its lens-shaped seeds. It is about 40 cm (16 in) tall,...
that of commonly used glases, so fluorite is useful in making apochromatic lenses, making it valuable, particularly in photographic optics. Fluorite optics...
as lenses, that causes light to be spread out over some region of space rather than focused to a point. Aberrations cause the image formed by a lens to...
700 BC, as do Assyrian lenses such as the Nimrud lens. The ancient Romans and Greeks filled glass spheres with water to make lenses. These practical developments...
(director/screenplay); Regina King, Lance Reddick, Lucas Hedges, Brian Stokes Mitchell, Christina Jackson, Michael Cherrie, Dorian Missick, Amirah Vann...
Ndiambour and Jeanne d'Arc in his native Senegal before moving to French side Lens in 2002. After spending time out on loan at Istres he attracted the attentions...
further from the lens than the focal distance; the closer the object is to the lens, the further the image is from the lens. With concave lenses, incoming parallel...
Marques "Batman" Houston and Kelton "LDB" Kessee and was managed by Chris Stokes. Jones' nickname at this time was "Romeo". The group released four albums...
month, Hannah Dodd was cast to replace Ruby Stokes as Francesca Bridgerton for the third season. Stokes exited the show due to scheduling conflicts with...
(8-megapixel) 28 mm equivalent prime lens with 21 mm optional adaptor Ricoh GR Digital II (10-megapixel) 28 mm equivalent prime lens with 21 mm optional adaptor...
researchers presented the design and test results of an ultrasonic metamaterial lens for focusing 60 kHz. Acoustical engineering is typically concerned with noise...
he detected. Crookes also invented a 100% ultraviolet blocking sunglass lens. For a time, he was interested in spiritualism and became president of the...
2023. Barlow, Natasha L. M.; McClymont, Erin L.; Whitehouse, Pippa L.; Stokes, Chris R.; Jamieson, Stewart S. R.; Woodroffe, Sarah A.; Bentley, Michael...
E_{Raman}=\hbar \Omega ,\ E_{pump}=\hbar \omega _{pump},\ E_{Stokes}=\hbar \omega _{Stokes}} . CRS is a nonlinear optical process, where the signal level...
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