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1 results about "Optical beam" patented technology

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An optical beam smoke detector is a device that uses a projected beam of light to detect smoke across large areas, typically as an indicator of fire. They are used to detect fires in buildings where standard point smoke detectors would either be uneconomical or restricted for use by the height of the building. Optical beam smoke detectors are often installed in warehouses as a cost effective ...

Method and apparatus of a semiconductor-based tunable optical dispersion compensation system with multiple system with multiple channels

InactiveUS6888986B2Wavelength-division multiplex systemsCoupling light guidesOptical pathOptical beam

A semiconductor-based tunable optical dispersion compensation method and apparatus for multiple channels. In one aspect of the present invention, an apparatus according to an embodiment of the present invention includes a semiconductor material. An optical path through the semiconductor material is included. The optical path is optically coupled to receive an optical beam. A nonlinearly chirped Bragg grating is disposed in the semiconductor material. The optical path includes the nonlinearly chirped Bragg grating to substantially reduce chromatic dispersion in the optical beam.

Method and apparatus of a semiconductor-based tunable optical dispersion compensation system with multiple system with multiple channels

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Owner:INTEL CORP

1 results about "Optical beam" patented technology

Method and apparatus of a semiconductor-based tunable optical dispersion compensation system with multiple system with multiple channels

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