X-ray interferometer

An X-ray interferometer is analogous to a neutron interferometer. It has been suggested that it may offer the very highest spatial resolution in astronomy, though the technology is unproven as of 2008.

{{cite web

| last =Cash

| first = Webster

| title =X-ray Interferometry

| publisher =Center for Astrophysics and Space Astronomy; University of Colorado, Boulder, CO 80309-0389

| url =http://casa.colorado.edu/~wcash/interf/Interfere.htm

| access-date = 2008-05-28 }}

One technique is triple Laue interferometry (LLL interferometry).{{Cite web |url=http://www.aps.anl.gov/Science/Reports/1999/fezzaak1.pdf |title=Archived copy |access-date=2008-09-10 |archive-date=2008-11-01 |archive-url=https://web.archive.org/web/20081101044240/http://www.aps.anl.gov/Science/Reports/1999/fezzaak1.pdf |url-status=dead }}