Inventors:
Charles K. Rhodes - Chicago IL
Keith Boyer - Los Alamos NM
Johndale C. Solem - Los Alamos NM
Waleed S. Haddad - Chicago IL
Assignee:
MCR Technology Corporation - Chicago IL
International Classification:
G03H 110
Abstract:
Apparatus for x-ray microholography of living biological materials. A Fourier transform holographic configuration is described as being most suitable for the 3-dimensional recording of the physical characteristics of biological specimens. The use of a spherical scatterer as a reference and a charge-coupled device two-dimensional detector array placed in the forward direction relative to the incident x-radiation for viewing electromagnetic radiation simultaneously scattered from both the specimen and the reference scatterer permits the ready reconstruction of the details of the specimen from the fringe pattern detected by the charge-coupled device. For example, by using a nickel reference scatter at 4. 5 nm, sufficient reference illumination is provided over a wide enough angle to allow similar resolution in both transverse and longitudinal directions. Both laser and synchrotron radiation sources are feasible for generating microholographs.