Large Aperture Optical Switching Devices

J. Goldhar; M A Henesian

doi:10.1117/12.966228

23 May 1984 Large Aperture Optical Switching Devices

J. Goldhar, M A Henesian

Proceedings Volume 0464, Solid-State Optical Control Devices; (1984) https://doi.org/10.1117/12.966228
Event: 1984 Los Angeles Technical Symposium, 1984, Los Angeles, United States

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.

Citation Download Citation

J. Goldhar and M A Henesian "Large Aperture Optical Switching Devices", Proc. SPIE 0464, Solid-State Optical Control Devices, (23 May 1984); https://doi.org/10.1117/12.966228

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