An essential resource for any researcher, professional or student involved in optics and communications engineering, this clear, concise text offers a thorough understanding of the principles of ...

Common materials for RF waveguide isolators and RF waveguide circulators are aluminum, brass, bronze, copper, and silver. Typically, the waveguide cross-section is rectangular, elliptical or circular.

Horn antennas are a fairly simple affair, structurally speaking, with a straight-sided horn-shaped “cone” and a receptacle for standardized waveguide or with an appropriate feed, coaxial adapters.

Robotic line source systems offer acoustic and operational advantages.

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Peugeot, which has previously designed a mini steering wheel, is showing a rectangular wheel, or the Hypersquare, which will appear in the first car showrooms from 2026.

Flooring materials, including laminate slats, are sold by the square metre. For a rectangular floor measuring 4 m by 3 m the total area would be 4 × 3 = 12 m². Laminate slats may come in packs ...