FIELD: integrated optics. SUBSTANCE: polarizer has optically transparent septum with optical waveguide carrying optically transparent layer whose refractive index is higher than that of optical waveguide; layer is placed between optical input and optical output. Transparent layer in the form of rectangular parallelepiped with truncated plane which, when intersecting with upper plane of optical waveguide, forms straight line perpendicular to direction of propagation of coherent optical radiation. EFFECT: enlarged functional capabilities, reduced optical loss, minimized size. 6 dwg
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