Radial intensity filters using radial birefringent elements Eggleston, J. M. ; Giuliani, G. ; Byer, R. L. Abstract Publication: Journal of the Optical Society of America (1917-1983) Pub Date: October 1981 DOI: 10.1364/JOSA.71.001264 Bibcode: 1981JOSA...71.1264E