Controlled diffractive optical elements containing a vanadium dioxide film |
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Authors: | O. B. Danilov A. I. Sidorov |
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Affiliation: | (1) Scientific-Research Institute of Laser Physics, 199034 St. Petersburg, Russia |
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Abstract: | The principles of constructing optical devices on the basis of diffractive structures with a vanadium dioxide film for the control of radiation in the mid-IR range are analyzed. Methods are described for the practical implementation of such devices at λ=10.6 μm, and their response characteristics are calculated. It is shown that a contrast of 1:107 can be attained in diffractive optical elements, and the actuation time of the elements when switched on by an intense laser beam can be shortened to tens of nanoseconds. |
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