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4 terms
Photonics Dictionary: S
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convex x
S x
saddle
A term used to describe a saddle-shaped -- i.e., convex along one axis, concave along the other -- polished surface, generally an error, whose contours are apparent by the shape of Newton's rings.
second-side meniscus
The process of grinding the convex surface of a convexo-concave meniscus.
sharp
A term used to describe a convex surface having too short a radius of curvature. To correct this condition, material is cut from the outer portion of the polishing tool.
spheric lens
A spheric lens, also known as a spherical lens, is a type of optical lens with at least one surface that is part of a sphere. This means that the lens surface is curved in a symmetrical manner,...
Photonics Dictionary
S
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