11 April 2001 MegaSun illumination for ultrahigh-speed photography
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Abstract
The MegaSun illumination system, designed to replace argon candles for ultra high speed photography, has be used routinely to support live tests at Eglin AFB for the past two years. It has exposed detailed color images of fragmenting plates at framing rates of 1 million frames per second (1 Mfs) with a Cordin 330A. A longer 200 mus pulse version illuminated explosively formed penetrators in flight both for framing images taken by an Imacon 468, and for color synchro-ballistic images captured with a Cordin 132A streak camera. In addition, a demonstration version of the MegaSun was used for exposure tests performed at Lawrence Livermore National Laboratory (LLNL) Site 300 with Cordin 121 and 140 cameras. It provided enough illumination for proper exposure of 400 ASA film processed on time at 1 Mfs. These results confirm that the MegaSun can replace argon candles for most ultra high speed photography applications.
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Robert G. Root, Robert G. Root, David E. Lambert, David E. Lambert, Donald R. Snyder, Donald R. Snyder, William L. Stigman, William L. Stigman, } "MegaSun illumination for ultrahigh-speed photography", Proc. SPIE 4308, High-Speed Imaging and Sequence Analysis III, (11 April 2001); doi: 10.1117/12.425002; https://doi.org/10.1117/12.425002
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