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J. Appl. Phys. 44, 3102 (1973); http://dx.doi.org/10.1063/1.1662715 (11 pages)

Corona discharge photography

David G. Boyers and William A. Tiller

Department of Materials Science and Engineering, Stanford University, Stanford, California 94305

(Received 17 January 1973)

Using short (∼ 100 μsec) pulses of rf (1 MHZ) applied to parallel electrodes in air at small electrode spacings (∼ 250 μ) and at an applied field of ∼ 106 V∕cm, discharges from both biological and metallic electrodes occurred from a network of points in the electrode surface. These discharges were recorded photographically. Multiple pulses lead to a superposition effect such that a uniform corona exposure appeared on the film. Some effects of electrode material, spacing, and orientation are presented. The results are found to be completely explicable in terms of the ``streamer'' phenomenon of corona discharge. In fact, the wide variety of color effects observed in ``Kirlian'' photography can be accounted for by this mechanism.

© 1973 American Institute of Physics

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ISSN

0021-8979 (print)  
1089-7550 (online)

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    References

    E. Nasser and L. B. Loeb, J. Appl. Phys. 34, 3340 (1963)JAPIAU000034000011003340000001.

    H. W. Bandel, Phys. Rev. 84, 92 (1951).


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