Method for measuring periods of waveguide diffractive optical elements
Kopenkin S. S. 1, Kesaev V. V. 1, Putilin A. N. 1
1Lebedev Physical Institute, Russian Academy of Sciences, Moscow, Russia
Email: kopenkinss@yandex.ru, vladimir_kesaev@mail.ru

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An original method of the periods of waveguide diffractive optical elements (DOEs) measuring is proposed. In contrast to standard techniques, the proposed method provides measurements of waveguide gratings periods while the diffracted light is propagating in the substrate material. The method is simple and has a small error Keywords: waveguide holograms, diffractive optical elements.
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