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Optical Engineering

Bidirectional quantitative color schlieren
Author(s): Josef Stricker; Boris Zakharin; Binyamin T. Hornick; Florence Rosenblatt
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Paper Abstract

A quantitative bidirectional color schlieren system is presented, analyzed, and demonstrated. This method is capable of measuring simultaneously two components of deflection angles in two perpendicular spatial directions. The system acts as two independent schlieren setups with perpendicular knife-edge orientations. The method employs a two-color filter. A bidirectional heterodyne schlieren method is presented as well. The system is demonstrated by measuring various phase objects and compared with conventional schlieren. The sensitivity of the measurements can be significantly improved over the existing bidirectional schlieren methods. Moreover, the system is conceptually simple and inexpensive.

Paper Details

Date Published: 1 December 2006
PDF: 6 pages
Opt. Eng. 45(12) 123604 doi: 10.1117/1.2402103
Published in: Optical Engineering Volume 45, Issue 12
Show Author Affiliations
Josef Stricker, Technion-Israel Institute of Technology (Israel)
Boris Zakharin, Technion-Israel Institute of Technology (Israel)
Binyamin T. Hornick, Technion-Israel Institute of Technology (Israel)
Florence Rosenblatt, Technion-Israel Institute of Technology (Israel)


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