Parabolic Mirror Reflecting 3 Light Beams is a photograph by David Parker which was uploaded on July 6th, 2016.
Parabolic Mirror Reflecting 3 Light Beams
Parabolic mirror reflecting 3 parallel light beams to the focal point of the mirror. The 3 primary colours, red, green and blue when combined... more
by David Parker
Title
Parabolic Mirror Reflecting 3 Light Beams
Artist
David Parker
Medium
Photograph
Description
Parabolic mirror reflecting 3 parallel light beams to the focal point of the mirror. The 3 primary colours, red, green and blue when combined additively produce a spot of white light. Isaac Newton used a parabolic mirror for his reflecting telescope, a landmark in the history of telescopes and the prototype for a design that later came to be called a newtonian telescope. A mirror that is flatter thean the one shown here will bring the beams to a focus further away from the mirror. The reflections from the mirror are called caustic reflections. In optics, a caustic or caustic network is the envelope of light rays reflected or refracted by a curved surface or object, or the projection of that envelope of rays on another surface.
Uploaded
July 6th, 2016
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