A functional approach to the Luneburg´s integral for the planar Luneburg lenses design
Author :
Sochacki, Jacek
Author_Institution :
Central Laboratory of Optics, ul. Kamionkowska, Warsaw, Poland
Volume :
3
Issue :
3
fYear :
1985
fDate :
6/1/1985 12:00:00 AM
Firstpage :
684
Lastpage :
687
Abstract :
Close-form approximate expression for the Luneburg\´s integral is derived, which warrants an accuracy within in the index profile computation for lenses with focal distances exceeding twice the lens radius. Simple integral condition for the computation accuracy controlling is evaluated.