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  2. Polaris Fashion Place - Wikipedia

    en.wikipedia.org/wiki/Polaris_Fashion_Place

    Polaris Fashion Place is a two level shopping mall and surrounding retail plaza serving Columbus, Ohio, United States.The mall, owned locally by Washington Prime Group, is located off Interstate 71 on Polaris Parkway in Delaware County just to the north of the boundary between Delaware and Franklin County.

  3. Optical head-mounted display - Wikipedia

    en.wikipedia.org/wiki/Optical_head-mounted_display

    Diffractive waveguide – slanted diffraction grating elements (nanometric 10E-9). Nokia technique now licensed to Vuzix. Holographic waveguide – 3 holographic optical elements (HOE) sandwiched together (RGB). Used by Sony and Konica Minolta. Polarized waveguide – 6 multilayer coated (25–35) polarized reflectors in glass sandwich ...

  4. Waveguide - Wikipedia

    en.wikipedia.org/wiki/Waveguide

    An acoustic waveguide is a physical structure for guiding sound waves. Sound in an acoustic waveguide behaves like electromagnetic waves on a transmission line. Waves on a string, like the ones in a tin can telephone, are a simple example of an acoustic waveguide. Another example are pressure waves in the pipes of an organ.

  5. Waveguide (optics) - Wikipedia

    en.wikipedia.org/wiki/Waveguide_(optics)

    A rib waveguide is a waveguide in which the guiding layer basically consists of the slab with a strip (or several strips) superimposed onto it. Rib waveguides also provide confinement of the wave in two dimensions and near-unity confinement is possible in multi-layer rib structures.

  6. Waveguide flange - Wikipedia

    en.wikipedia.org/wiki/Waveguide_flange

    The through-mounted assembly is made evident by the distinct colours of the copper waveguide-tube and brass flange. A waveguide flange is a connector for joining sections of waveguide, and is essentially the same as a pipe flange—a waveguide, in the context of this article, being a hollow metal conduit for microwave energy.

  7. Waveguide (radio frequency) - Wikipedia

    en.wikipedia.org/wiki/Waveguide_(radio_frequency)

    In radio-frequency engineering and communications engineering, a waveguide is a hollow metal pipe used to carry radio waves. [1] This type of waveguide is used as a transmission line mostly at microwave frequencies, for such purposes as connecting microwave transmitters and receivers to their antennas, in equipment such as microwave ovens, radar sets, satellite communications, and microwave ...

  8. Slot antenna - Wikipedia

    en.wikipedia.org/wiki/Slot_antenna

    Slotted array UHF television broadcasting antenna. As shown by H. G. Booker in 1946, from Babinet's principle in optics a slot in a metal plate or waveguide has the same radiation pattern as a driven rod antenna whose rod is the same shape as the slot, with the exception that the electric field and magnetic field directions are interchanged; the antenna is a magnetic dipole instead of an ...

  9. Microwave cavity - Wikipedia

    en.wikipedia.org/wiki/Microwave_cavity

    Split-ring resonator (end covers removed) The quarter wave resonator [8] The half wave resonator. [9] A variant of the half-wave resonator is the spoke resonator. [10] The Radio-frequency quadrupole [11] Radio-frequency quadrupole (end cover removed). Compact Crab cavity. Compact crab cavities are an important upgrade for the LHC. [12] [13]