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180223-N-NO204-001.JPG Photo By: U.S. Navy

WASHINGTON, D.C. - Pictured is all that remains of a 1-mm tapered tungsten rod held by a graphite holder after being bombarded by 5 kilojoules of 2.5 million volt electrons in only 50 nanoseconds. The rapid deposition of energy is cylindrically-symmetric and vaporizes most of the 5-cm long rod, leaving behind a single, tiny tungsten “flower.” This debris was made during our studies of high-brightness radiographic diodes. The NRL-patented rod-pinch diode provides one of the world’s brightest hard x-ray sources and is used to characterize material properties under dynamic loads, supporting the Nation’s nuclear stockpile. Experiments were supported by the Department of Energy National Nuclear Security Agency under Interagency Agreement DE-NA-0001417. (U.S. Navy photo)


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This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit.



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