OPTICAL MIRROR Russian patent published in 2022 - IPC G02B5/08

Abstract RU 2778680 C1

FIELD: optics.

SUBSTANCE: invention can be used in manufacturing reflective optical elements of optoelectronic apparatus. Optical mirror comprises a substrate, a chromium adhesive layer, a reflective layer, and an yttrium oxide protective layer. The mirror additionally comprises a silicon dioxide layer located between the reflective layer and the protective layer, and the reflective layer is made of copper. The thicknesses of the chromium, copper, silicon dioxide, and yttrium oxide layers are 50…100 nm, 150…200 nm, 80…90 nm, and 90…100 nm, respectively.

EFFECT: increase in the reflection coefficient in all working spectral ranges.

1 cl, 4 dwg

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RU 2 778 680 C1

Authors

Azamatov Marat Khatypovich

Kolchin Aleksandr Ivanovich

Nurullin Ilya Zufarovich

Dates

2022-08-23—Published

2021-08-19—Filed