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Principles and Techniques of Schlieren Imaging Systems

Mazumdar, Amrita

This paper presents a review of modern-day schlieren optics system and its application. Schlieren imaging systems provide a powerful technique to visualize changes or nonuniformities in refractive index of air or other transparent media. With the popularization of computational imaging techniques and widespread availability of digital imaging systems, schlieren systems provide novel methods of viewing transparent fluid dynamics. This paper presents a historical background of the technique, describes the methodology behind the system, presents a mathematical proof of schlieren fundamentals, and lists various recent applications and advancements in schlieren studies.

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Publisher
Department of Computer Science, Columbia University
Publication Origin
New York
Series
Columbia University Computer Science Technical Reports, CUCS-016-13
Academic Units
Computer Science
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