DocumentCode :
386915
Title :
Dielectric bifocal lenses
Author :
Brown, Rebecca
Author_Institution :
Naval Research Laboratory, Washington, DC, USA
Volume :
4
fYear :
1966
fDate :
21-25 March 1966
Firstpage :
180
Lastpage :
187
Abstract :
A study has been made of the scanning properties of solid dielectric bifocal lenses. In two dimensions, a bifocal lens is a two-surface lens, symmetric about an axis, designed to collimate the rays from a primary point source lccated at either of two conjugate off-axis positions into plane waves making angles 
and 
respectively with the axis. A point-by-point technique used in computing the lens surfaces is discussed. Three-dimensional polystyrene lenses, each about 50 wavelengths in diameter and with 
, were built by rotating two-dimensional designs about their axes. The optical aberrations and the radiation patterns of three such lenses are described.
and respectively with the axis. A point-by-point technique used in computing the lens surfaces is discussed. Three-dimensional polystyrene lenses, each about 50 wavelengths in diameter and with , were built by rotating two-dimensional designs about their axes. The optical aberrations and the radiation patterns of three such lenses are described.Keywords :
Collimators; Dielectrics; Equations; Lenses; Optical design; Optical refraction; Optical surface waves; Optical waveguides; Solids; Surface waves;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
1958 IRE International Convention Record
Conference_Location :
New York, NY, USA
Type :
conf
DOI :
10.1109/IRECON.1956.1150462
Filename :
1150462
Link To Document :
