In some designs of eyeglasses, the surface is "aspheric," meaning that the contour varies slightly from spherical. An aspheric lens is often used to correct for spherical aberration-a distortion due to increased refraction of light rays when they strike the lens near its edge. Aspheric lenses are often designed with hyperbolic cross sections. aspheric lens (3,0)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.2: Ellipses
Problem 32E
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In some designs of eyeglasses, the surface is "aspheric," meaning that the contour varies slightly from spherical. An aspheric lens is often used to correct for
spherical aberration-a distortion due to increased refraction of light rays when they strike the lens near its edge. Aspheric lenses are often designed with
hyperbolic cross sections.
aspheric
lens
(3,0)
Write an equation of the cross section of the hyperbolic lens shown if the center is (0, 0), one vertex is (3, 0), and the focal length (distance between center and
foci) is /73. Assume that all units are in millimeters. Write the equation in standard form.
The equation of the cross section of the hyperbolic lens is
| for x20.
O=0
O 国回
•......
Transcribed Image Text:In some designs of eyeglasses, the surface is "aspheric," meaning that the contour varies slightly from spherical. An aspheric lens is often used to correct for spherical aberration-a distortion due to increased refraction of light rays when they strike the lens near its edge. Aspheric lenses are often designed with hyperbolic cross sections. aspheric lens (3,0) Write an equation of the cross section of the hyperbolic lens shown if the center is (0, 0), one vertex is (3, 0), and the focal length (distance between center and foci) is /73. Assume that all units are in millimeters. Write the equation in standard form. The equation of the cross section of the hyperbolic lens is | for x20. O=0 O 国回 •......
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