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The present paper gives an overview on some special techniques for high speed video recording used and investigated
in our department for observing the behaviour of transparent media under high temperature, pressure and
stress conditions. Such techniques are shadowgraph and schlieren imaging for objects in gaseous environment,
and cross polarization techniques for transparent liquids and solid bodies. The examples shown are derived
from investigations of exploding conductors and impact studies on glass, plastic and gelatine. Further some
concepts for the extraction of slides along the optical axis by decreasing the depth of field using ring apertures
are discussed in short.
Wenjing Zhao,Daniel C. Skaloud,Sascha Kutz,Hendrik Rothe, andCornelius F. Hahlweg
"Special high speed imaging techniques using phase, aperture, and polarization effects", Proc. SPIE 8842, Novel Optical Systems Design and Optimization XVI, 884208 (30 September 2013); https://doi.org/10.1117/12.2023677
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Wenjing Zhao, Daniel C. Skaloud, Sascha Kutz, Hendrik Rothe, Cornelius F. Hahlweg, "Special high speed imaging techniques using phase, aperture, and polarization effects," Proc. SPIE 8842, Novel Optical Systems Design and Optimization XVI, 884208 (30 September 2013); https://doi.org/10.1117/12.2023677