Difference between revisions of "Equi-Angular Profile"
Jump to navigation
Jump to search
m (1 revision) |
m (1 revision) |
(One intermediate revision by the same user not shown) | |
(No difference)
|
Revision as of 10:01, 1 March 2009
2-2-145
A stepped profile such that a light ray emitted from the focus and passing through a portion of the profile exhibits equal angles of incidence and emergence. This produces minimum dispersion.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)