Dynamic phase madsks for focal spot optimization and shaping of cw- and high-power laser beams

摘要

We have developped a high resolution programmable adaptive optic device based on an optically-addressed liquid crystal elecro-optical valve (OALEV) controlled by an achromatic three-wave lateral shearing interferometer (ATWLSI). This loop, which can work at 4 hz, corrects the wafvefront of our 100-TW Nd:Glass. Beyopnd this application, we were able to generate high resolution programmable phase plates to shape the far-field pattern of low-energy cw-laser as well as high power lasers.