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Proceedings Paper

Large Aperture Optical Switching Devices
Author(s): J. Goldhar; M A Henesian
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Paper Abstract

We have developed a new approach to constructing large aperture optical switches for next generation inertial confinement fusion lasers. A transparent plasma electrode formed in low pressure ionized gas acts as a conductive coating to allow the uniform charging of the optical faces of an electro-optic material. In this manner large electric fields can be applied longitudinally to large aperture, high aspect ratio Pockels cells. We propose a four-electrode geometry to create the necessary high conductivity plasma sheets, and have demonstrated fast (< 10 nsec) switching in a 5x5 cm aperture KD*P Pockels cell with such a design. Detailed modelling of Pockels cell performance with plasma electrodes has been carried out for 15 and 30 cm aperture designs.

Paper Details

Date Published: 23 May 1984
PDF: 9 pages
Proc. SPIE 0464, Solid-State Optical Control Devices, (23 May 1984); doi: 10.1117/12.966228
Show Author Affiliations
J. Goldhar, University of California (United States)
M A Henesian, University of California (United States)


Published in SPIE Proceedings Vol. 0464:
Solid-State Optical Control Devices
Pochi Yeh, Editor(s)

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