Shadowgraphic holography of simulated space debris

Peter E. Nebolsine; Edmond Y. Lo; R. Daniel Ferguson; Charles L. Goldey; Jeffrey C. Sinex; David J. Liquornik; Gary R. Hough

doi:10.1117/12.256057

31 October 1996 Shadowgraphic holography of simulated space debris

Peter E. Nebolsine, Edmond Y. Lo, R. Daniel Ferguson, Charles L. Goldey, Jeffrey C. Sinex, David J. Liquornik, Gary R. Hough

Author Affiliations +

Proceedings Volume 2813, Characteristics and Consequences of Orbital Debris and Natural Space Impactors; (1996) https://doi.org/10.1117/12.256057
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Shadowgraphic holography allows imaging of small particles over a 180 degree field of view and with a large depth of field. The cylindrical holography technique developed by Hough and Gustafson has been modified to allow holograms of small hypervelocity impact generated simulated space debris particles to be successfully made by using a subnanosecond laser pulse length. The use of very short (135 ps) laser pulses with a corresponding short coherence length (4 cm) frees the motion of small high speed particles. With this system, shadowgraphic holograms of aluminum projectiles impacting aluminum and graphic epoxy plates have been achieved at hypervelocity. Results of these tests as well as low speed proof of concept tests are presented.

Citation Download Citation

Peter E. Nebolsine, Edmond Y. Lo, R. Daniel Ferguson, Charles L. Goldey, Jeffrey C. Sinex, David J. Liquornik, and Gary R. Hough "Shadowgraphic holography of simulated space debris", Proc. SPIE 2813, Characteristics and Consequences of Orbital Debris and Natural Space Impactors, (31 October 1996); https://doi.org/10.1117/12.256057

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KEYWORDS

Particles

Holograms

Holography

Aluminum

Epoxies

Clouds

Photography

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