We demonstrate a contrast improvement of nearly a factor of 5 in a phantom medical x-ray image, using time-gated detection. This improvement is accomplished by temporal discrimination against scattered x-ray flux and may permit a significant reduction in patient x-ray exposure. A multiterawatt ultrashort-pulse laser-produced-plasma x-ray source (<1 ps) and a time-gated microchannel plate detector (~100 ps) are used.
© 1995 Optical Society of America
Original Manuscript: December 7, 1994
Published: May 1, 1995
C. L. Gordon, G. Y. Yin, B. E. Lemoff, Perry M. Bell, and C. P. J. Barty, "Time-gated imaging with an ultrashort-pulse, laser-produced-plasma x-ray source," Opt. Lett. 20, 1056-1058 (1995)