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&lt;/script&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://solarisoptics.eu/products/polarizers/waveplates/embed/" width="600" height="338" title="&#x201C;Waveplates&#x201D; &#x2014; " frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;</html><description>waveplates While polarizers operate on the basis of space separation of the ordinary and extraordinary rays, retardation plates (or phase shifters) operates on the basis of velocity difference between the ordinary and extraordinary beams, without space separation. Retardation plates operate as elements changing the state of polarization of optical beams. Because the ordinary and the [&hellip;]</description></oembed>
