A Schlieren System for Time and Space Resolved Photography of Self-Luminous Electrical Discharges
- 1 March 1980
- journal article
- research article
- Published by SAGE Publications in Applied Spectroscopy
- Vol. 34 (2) , 200-206
- https://doi.org/10.1366/0003702804730646
Abstract
A schlieren apparatus capable of recording index of refraction gradients in self-luminous discharges such as arcs, sparks, and inductively coupled plasmas is described. Resolution of better than 50 μm is obtained over a clear, bright, uniform field. The geometric design of the system cancels coma, and small off-axis angles are used to keep astigmatism low.Keywords
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