ABSTRACT.Curvature wavefront sensors measure wavefront phase aberration by acquiring two intensity images on either side of the pupil plane. Low-order adaptive optics (AO) systems using curvature ...

The geometric properties of energy bands underlie fascinating phenomena in many systems, including solid-state, ultracold gases and photonics. The local geometric characteristics such as the Berry ...

The effect of coronary arterial wall curvature on noninvasive assessment of stenosis severity was studied by examining the fractional flow reserve (FFR), pressure drop coefficient (CDP) and lesion ...