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Methods and techniques for achieving flattened and broadened pass band spectrum for free-space grating-based dense wavelength division multiplexers/demultiplexers
Methods and techniques for achieving flattened and broadened pass band spectrum for free-space grating-based dense wavelength division multiplexers/demultiplexers
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机译:为基于自由空间光栅的密集波分复用器/解复用器实现平坦化和扩展通带频谱的方法和技术
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摘要
A device for expanding the wavelength band of an optical component is disclosed. The device has a beam splitter for splitting a wavelength division multiplexed beam into two beams at a desired separation angle. An optical grating separates the two beams into spectral components for each beam. The spectral components are focused on a receiving surface. The separation angle between the two beams expands the wavelength band of the WDM signal.
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