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Stacked optical filter arrangement for a photoacoustic spectrometry device for multi-gas sensing and photoacoustic spectrometry device
Stacked optical filter arrangement for a photoacoustic spectrometry device for multi-gas sensing and photoacoustic spectrometry device
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机译:用于多气体传感和光声光谱装置的光声光学滤光器装置的堆叠滤光器布置
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摘要
A stacked optical filter arrangement includes a pneumatic liquid crystal layer stacked between a first and second transparent electrode layers, wherein the first transparent electrode layer includes electrode segments that are isolated from each other; first and second polarizer layers, wherein the pneumatic liquid crystal layer is stacked between the first polarizer layer and the second polarizer layer; a filter layer including filter segments, wherein at least two of the filter segments are wavelength sensitive filter segments, wherein at least two of the wavelength sensitive filter segments are transparent for different wavelengths; and optical channels, wherein each optical channel includes a portion of the pneumatic liquid crystal layer, a portion of the first electrode layer, one of the plurality of electrode segments of the second transparent electrode layer, a portion of the first polarizer layer, a portion of the second polarizer layer, and one of the plurality of filter segments.
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