The filter reportedly prevents dense wavelengths of light from interfering with each other by sensing deviations between multiple wavelengths.
Kyocera Corp. recently announced that it has developed a crystal etalon filter (a component in optical telecommunications systems for large-volume data transmission) that prevents dense wavelengths of light from interfering with each other by sensing deviations between multiple wavelengths. This is reportedly the industry's first crystal etalon filter that allows users to select a wavelength temperature coefficient within the range of 5.4 to 15.7 pm/
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