Confocal
id:
confocal-285-4200435
title:
Confocal
text:
In geometry, confocal means having the same foci: confocal conic sections. For an optical cavity consisting of two mirrors, confocal means that they share their foci. If they are identical mirrors, their radius of curvature, Rmirror, equals L, where L is the distance between the mirrors.
In conic sections, it is said of two ellipses, two hyperbolas, or an ellipse and a hyperbola which share both foci with each other. If an ellipse and a hyperbola are confocal, they are perpendicular to each othe
brand slug:
wiki
category slug:
encyclopedia
description:
Index of articles associated with the same name
original url:
https://en.wikipedia.org/wiki/Confocal
date created:
date modified:
2020-12-17T20:47:23Z
main entity:
{"identifier":"Q336201","url":"https://www.wikidata.org/entity/Q336201"}
image:
fields total:
13
integrity:
14