Fresnel's rhomb
English
Etymology
Designed in 1817 by Augustin-Jean Fresnel.
Noun
Fresnel's rhomb (plural Fresnel's rhombs)
- A rhombus or oblique parallelopiped of glass cut so that a ray of light entering one of its faces at right angles shall emerge at right angles at the opposite face, after undergoing within the rhombus, at other faces, two reflections. It is used to produce a ray circularly polarized from a plane-polarized ray, or the reverse.
- (Can we find and add a quotation of Nichol to this entry?)
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for Fresnel's rhomb in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)
Anagrams
- Fresnel rhombs