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&lt;/script&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://solarisoptics.eu/services/thin-film-coatings/filters/gradient-coatings-filters/embed/" width="600" height="338" title="&#x201C;&#x2022; Gradient Coatings&#x201D; &#x2014; " frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;</html><description>gradient coatings Gradient filter is a kind of filter that changes its spectral properties along one dimension. For each physical point along one dimension spectral curve is shifted in wavelength domain. Solaris Optics has already designed and produced a few different products and one of them is gradient filter that is a part of Sentinel-5 [&hellip;]</description></oembed>
