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Proceedings Paper

Electro-Optical Kerr Effect Voltage Measurements On Multi-Megavolt Pulsed Power Accelerators
Author(s): G. R. Allen; H. P. Davis; B. T. Neyer; D. J. Muron; J. Chang; R. E. Hebner
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Paper Abstract

We have developed a highly accurate, non-perturbing, non-invasive voltage monitor for multi-megavolt measurements in water using the electro-optic Kerr effect. The strong electric field causes the normally isotropic water to become linearly birefringent, with the birefringence axis aligned along the field. A beam polarized at 45° with respect to the electric field will experience a phase difference in the parallel and perpendicular components by an amount proportional to the square of the electric field. Measuring the phase change gives an accurate and precise value of the electric field.

Paper Details

Date Published: 3 January 1986
PDF: 4 pages
Proc. SPIE 0566, Fiber Optic and Laser Sensors III, (3 January 1986); doi: 10.1117/12.949794
Show Author Affiliations
G. R. Allen, Sandia National Laboratories (United States)
H. P. Davis, Sandia National Laboratories (United States)
B. T. Neyer, Sandia National Laboratories (United States)
D. J. Muron, Sandia National Laboratories (United States)
J. Chang, Sandia National Laboratories (United States)
R. E. Hebner, National Bureau of Standards (United States)


Published in SPIE Proceedings Vol. 0566:
Fiber Optic and Laser Sensors III
Emery L. Moore; O. Glenn Ramer, Editor(s)

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