Moreover, small changes in experiment parameters, such as the thickness of the metal film, generated different patterns, including Archimedean spirals, logarithmic spirals, lotus flower shapes ...

What's more, small changes in experiment parameters, such as the thickness of the metal film, generated different patterns, including Archimedean spirals, logarithmic spirals, lotus flower shapes ...

Abstract: The radiation fields of the Archimedes spiral are derived by approximating the spiral with a series of semicircles. The calculated patterns are shown to have excellent correlation with ...

const sqrtPart = Math.sqrt(b * b * theta * theta + 2 * a * b * theta + a * a + b * b); const logPart = Math.log(Math.abs(b * theta + a + sqrtPart)); return ((b * b ...