Examples of 'aspheric surface' in a sentence
Meaning of "aspheric surface"
Aspheric surface: In optics, an aspheric surface is one that deviates from being a perfect sphere. These surfaces are designed to reduce aberrations and improve the overall optical performance of a lens or mirror
How to use "aspheric surface" in a sentence
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aspheric surface
The central region is developed as an aspheric surface.
The aspheric surface may then be hand polished.
The entrance face may preferably have an aspheric surface.
The aspheric surface could also be supported by the rear surface.
Method and apparatus for cutting an aspheric surface on a workpiece.
Is the aspheric surface necessarily good?
The central exit face may preferably have an aspheric surface.
It is further preferred for the aspheric surface corrections to be in the horizontal direction.
The peripheral reflective surface may preferably have an aspheric surface.
The second surface may comprise an aspheric surface having a conic coefficient.
The optical zone is preferably ablated to form a healed aspheric surface.
However, the aspheric surface may not be known.
Large inboard convex surface is separated from small outboard aspheric surface.
A method of forming an aspheric surface on a workpiece, comprising the steps of,.
The invention additionally provides for scaling a diameter of the aspheric surface to the pupil.
See also
Below, as an example, the unknown aspheric surface is supported by the front surface.
In some embodiments, the first surface topology comprises a toric or aspheric surface.
This ablated surface may then heal to an aspheric surface that corrects presbyopia.
The designation " a " associated with various surfaces in the tables represents an aspheric surface.
The front surface of the lens element is an aspheric surface with three distinct zones.
The aspheric surface also allows the corrector mirror 26 to reduce aberrations in the pupil imagery.
This increased central curvature may form an aspheric surface that corrects for presbyopia.
The corrector mirror is a non-powered mirror having a nominally flat but higher order aspheric surface.
However, aspheric IOLs have an aspheric surface to correct corneal spherical aberration.
The corrector mirror 26, is generally provided with an aspheric surface.
So, is the aspheric surface a very difficult technique?
If desired, the diffractive surface and the aspheric surface may be the same surface.
The aspheric surface 25 minimizes these aberrations.
As far as cosmetics and function are concerned, the aspheric surface noticeably improves the lens.
The corrector mirror 26, though nominally flat, is generally provided with an aspheric surface.
The third lens element 324 has an aspheric surface and serves two purposes.
The vertical line 310 represents an axis parallel to the aspheric surface deviations.
A lathe ( 2 ) for cutting an aspheric surface on a workpiece, said lathe comprising,.
Fig . 3 illustrates the refractive power over the pupil of an aspheric surface for treating presbyopia.
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