English Wikipedia - The Free Encycl...
Download this dictionary
Paraxial approximation
In
geometric optics
, the
paraxial approximation
is a
small-angle approximation
used in
Gaussian optics
and
ray tracing
of light through an optical system (such as a
lens
).
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License