Digital focusing schlieren imaging

Benjamin D. Buckner; James D. Trolinger; Drew L'Esperance

doi:10.1117/12.2189533

1 September 2015 Digital focusing schlieren imaging

Benjamin D. Buckner, James D. Trolinger, Drew L'Esperance

Proceedings Volume 9576, Applied Advanced Optical Metrology Solutions; 95760C (2015) https://doi.org/10.1117/12.2189533
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

Since its invention in the 19th century, schlieren imaging has been an essential method for studying many aerodynamic effects, particularly convection and shock waves, but the classical method using parabolic mirrors is extremely difficult to set up and very expensive for large fields of view. Focusing schlieren methods have made large- area schlieren more feasible but have tended to be difficult to align and set up, limiting their utility in many applications We recently developed an alternative approach which utilizes recent advances in digital display technology to produce simpler schlieren system that yields similar sensitivity with greater flexibility.

Citation Download Citation

Benjamin D. Buckner, James D. Trolinger, and Drew L'Esperance "Digital focusing schlieren imaging", Proc. SPIE 9576, Applied Advanced Optical Metrology Solutions, 95760C (1 September 2015); https://doi.org/10.1117/12.2189533

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