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cheng, lin xiaomingliang, li wang, zelong cao, pengfei xiaodong, he niu, tiaoming
A novel adjustable three-dimensional plasmonic Archimedes spiral lens (3D PASL) has been investigated and analyzed in detail by numerical simulations. The 3D PASL consists of a spiraling Archimedes helix slot that is engraved on the inner wall of a funnel-shaped gold film on a silicon dioxide substrate. When the incident light from the bottom of su...
Alty, Jane Cosgrove, Jeremy Thorpe, Deborah Kempster, Peter
Published in
Practical neurology
When a patient presents with tremor, it can be useful to perform a few simple pen and paper tests. In this article, we explain how to maximise the value of handwriting and of drawing Archimedes spirals and straight lines as clinical assessments. These tasks take a matter of seconds to complete but provide a wealth of information that supplements th...
