One of the major interests in hyper-velocity impact experiments is the particulate material and projectile which is expelled from and through the target. To help understand this process and to verify Hydro-Codes (Fracture Codes) in experiments at the Sandia National Laboratories (Albuquerque), Innovation Associates is developing a Highly Versatile, Holographic Imaging System for Plume Particulates (HISPP) that will capture and analyze holographic images of the target plumes and projectile. HISPP will (a) provide deep field holographic plume images that can be analyzed for particle size and distribution, (b) permit temporal resolution with multiple holographic images at various stages ofplume development, (c) provide automated, plume analysis of the plume structure, analyzed according to particulate size, through the use of an efficient particulate analyzer subsystem, and (d) provide a holographic system that is versatile and relatively easy to integrate into the user experiment. HISPP has been designed to be flexible and to coexist with the existing experimental diagnostics. It will holographically image the plume volume with a 6" probe beam onto a 4" x 5" holographic plate. The use of dual holographic reference beams will allow multiple holograms to be acquired on the same holographic plate. This paper will describe the overall concept and design for the HISPP system.
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