WAVELENGTH CROSS CONNECT DEVICE
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United States of America Patent
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Issued Date -
Oct 17, 2013
app pub date -
Mar 25, 2013
filing date -
Apr 11, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wavelength cross connect device includes an input demultiplexing optical system for demultiplexing light input from a plurality of input ports into respective wavelengths, a wavelength switching optical system for switching and outputting the lights of respective wavelengths input from the input demultiplexing optical system to respective desired ports, and an output multiplexing optical system for multiplexing the lights of respective wavelengths input from the wavelength switching optical system per port. The input demultiplexing optical system and the output multiplexing optical system includes a lens system that has a function of focusing lights independently in vertical and widthwise directions. The wavelength switching optical system includes two light deflector arrays for outputting incoming light of each wavelength after adjusting a horizontal reflection angle of the light, and a switching lens including a lens that has a focal length equal to the Rayleigh length and acts only in a widthwise direction.
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