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Multiple-laser flash shadowgraphy system for terminal studies of small-caliber projectiles

Source: Opt. Eng. 49, 064303 (2010); doi:10.1117/1.3456614

Published 1 July 2010

KEYWORDS and PACS
Keywords
PACS
  • 45.40.Gj
    Ballistics (projectiles; rockets)
  • YEAR: 2010
PUBLICATION DATA
ISSN:
1553-9601 (online)
Publisher:
AIP is a member of CrossRef SPIE
R. C. Kalonia, Gautam Mitra, and G. S. Singh
Council of Scientific and Industrial Research (CSIR), Central Scientific Instruments Organisation (CSIO), Sector—30, Chandigarh, India 160 030

R. K. Varma, Manpreet Singh, MEMBER SPIE; Manjit Singh, and V. S. Sethi
Defence Research and Development Organisation (DRDO), Terminal Ballistics Research Laboratory (TBRL), Sector—30, Chandigarh, India 160 030

M. S. Yadav
Kurukshetra University, Physics Department, Kurukshetra, India 136 119
A multiple-laser flash shadowgraphy system has been innovatively designed and developed to study the terminal effects of projectiles. The system has been designed based on modulated laser diodes operated at low voltage and current. In order to study the ballistics effects of small arms, an exposure time of the order of a few hundreds ns and a delay time of the order of a few tens of µs are needed. An ultrashort pulse generator has been developed to provide the exposure and delay time pulses. The developed system has been integrated with a field lens assembly and camera assembly. To record the shadowgraphs, a target is placed near the center of the field lens and a bullet is fired from a fixed gun. The system is described, and experimental results and conclusions are reported. ©2010 Society of Photo-Optical Instrumentation Engineers
History: Received 1 September 2009; revised 13 April 2010; accepted 8 May 2010; published 1 July 2010
Permalink: http://dx.doi.org/10.1117/1.3456614

REFERENCES (13)

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