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parabolic reflector
(redirected from parabolic mirror)

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parabolic reflector [¦par·ə¦bäl·ik ri′flek·tər]
(electromagnetism)
An antenna having a concave surface which is generated either by translating a parabola perpendicular to the plane in which it lies (in a cylindrical parabolic reflector), or rotating it about its axis of symmetry (in a paraboloidal reflector). Also known as dish.
parabolic reflector
A light reflector whose surface is a paraboloid, i.e., a surface generated by rotating a parabolic section about its axis; if a small light source is placed at the focal point of the reflector, the reflected light will be concentrated in a nearly collimated beam parallel to the axis of the reflector.
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Byline: by JANE SIMON IT'S a rare comedy show where you hear: "And what we have here are two parabolic mirrors.
We love telly: WE LOVE QUIZ - THE WHAT IN THE WORLD QUIZ FIVE, 7.30pm by The Mirror (London, England)
Such a parabolic mirror focuses each ray of light it receives from the original parallel beam at one single point.
How to Use a Telescope - Reflector Telescopes An Introduction by Mike Ashley / Computers and Internet community
A PIRATE and parabolic mirror maker are among those included in John's book.
The men and women who made this city what it is today by Daily Post (Liverpool, England)
 
 
 
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