This is a device that is a microscopic stairway, where the width and height of each step is about equal to the wavelength of light, that is, around 500 nanometres.
« Back to Glossary IndexThis is a device that is a microscopic stairway, where the width and height of each step is about equal to the wavelength of light, that is, around 500 nanometres.
« Back to Glossary Index