Lamont Cranston Physics

Snapping an atom’s shadow? Now that’s a first

The picture leading this article shows the shadow cast in a laser beam by a single Ytterbium atom suspended in empty space. At Griffith University, we have has pioneered the use of Fresnel lenses (a type of lens for large aperture and short focal length – producing an ultra hi-res miscroscope) to capture high-resolution images of atoms.