Abstract
The electron beam scanlaser (EBS) is a device in which a modified electrooptic light valve is used as a mode selector in the highly degenerate flat-field conjugate laser resonator to provide a scanning light spot. This paper describes improvements in the mode selection portion of the EBS which make the device far more promising. In particular, 1) the charge storage time is now under control, and can be as short as needed, 2) the KDP is protected from the electron beam, 3) the electron gun is protected from the KDP, 4) provision can be made for the needed high-quality optical surfaces in the mode selector, and 5) the transparent conducting coating on the mode selector's KDP crystal has been removed, indicating that the insertion loss of the mode selector can be reduced to less than 1.5 percent.
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