Patent ID: 6091798
Filing Date: 2000-07-18
Classification: G21K

Abstract:
A method for providing a dual energy distribution from an X-ray source using a split-compound refractive X-ray lens, said method comprising the steps of:a) disposing a first half of a split-compound refractive X-ray lens proximate to an X-ray source, said first half having a first focal length and a midpoint disposed between a top surface and a bottom surface of said first half, said first half disposed such that a first portion of X-rays emitted from said X-ray source pass through said first half and are refracted to a first focal point; andb) disposing a second half of said split-compound refractive X-ray lens proximate to said X-ray source and said first half, said second half having a second focal length and a midpoint disposed between a top surface and a bottom surface of said second half, said second half disposed such that a second portion of said X-rays emitted from said X-ray source pass through said second half and are refracted to a second focal point.