Abstract: We present an algorithm that adapts the mature stack and draw (SaD) methodology for fabricating the exotic equiangular spiral photonic crystal fiber (ES-PCF). The principle of Steiner chains ...
Abstract: An equiangular tight frame (ETF) is a set of equal norm vectors in a Euclidean space whose coherence is as small as possible, equaling the Welch bound. Also known as Welch-bound-equality ...
From the tiny twisted biological molecules to the gargantuan curling arms of many galaxies, the physical world contains a startling repetition of spiral patterns. Today, researchers have a keen ...
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