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Nick DeandreHendricks
Vorname Deandre
Nachname Hendrickson
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Geburtstag (Alter) 03.04.1961 (56)
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Adresse Mildura South
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Registriert 17.05.2017 um 01:00 Uhr
Letzter Besuch 17.05.2017 um 01:00 Uhr

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Info
Cylindrical lenses are lenses that focus light onto a-line rather than just one point, since the spherical lenses do.
The curved faces of the lens are segments of the cylinder that focus the incoming light on a single dimension causing the image to stretch. Cylindrical lenses may be used to correct ocular astigmatism. Because the lenses are non-spherical, there's a reduction in chromatic and spherical aberration.

Application

Some standard mirror of the cylindrical lens incorporate bar-code scanning, computer, dye lasers, laser emission, linear detector lighting and optical information-processing. In a light sheet microscope, the lenses are placed in front of the objective, creating a light sheet that's used for imaging.


Cylindrical lens features

Cylindrical lenses are manufactured in unique radius along with a number of specs. Different glass materials used incorporate Ohara, Schott, Fused Silica, CDGM, ZnS, ZnSe and CaF2. A cylindrical lens could be classified as special and ordinary. The ordinary class contains bi-convex cylindrical lens, bi-convex cylindrical lens, planoconvex cylindrical lens, plano-concave cylindrical lens, meniscus cylindrical lens and double concave cylindrical lens.


Unique cylindrical lenses incorporate cylindrical ellipsoidal mirror, parabolic mirrors, achromatic cylindrical lens and double curved cylindrical lens. Achromatic cylindrical lens diminishes the chromatic aberration thus providing extra color correction.

Cylindrical lens might be specially made to meet the client’s complicated shape needs. They are able to have rectangular, circular or oblong dimensions. Uv and infrared quartz antireflection coating options can be found for cylindrical lenses. Substrate materials used contain Ohara, Schott, CDGM, JGS1, Corning Fused Silica and JGS2.


Factory standards

Dimension tolerance: +0/-0.30
Radius tolerance: +0/-0.3%
Center thickness tolerance: +/-0.03
Surface quality: 40-20
Centration (arc min): 3’
Irregularity (Cylindrical Surface): 1/4Lambda
Irregularity (Plano Surface): 1/8Lambda

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