Quantitative phase imaging (QPI) is a cutting-edge optical technique that reveals variations in optical path length as light moves through biological samples, materials, and other transparent ...

A paradigm shift occurred in Paris in the late 17 th Century, as the speed of light that thinkers, such as Descartes and Aristotle, had speculated as being infinite and instantaneous had been ...

Optical Surfaces Ltd has developed a novel kinematic mounting arrangement for its pre-aligned beam collimator and beam expander sub-assemblies. Traditionally large diameter or longer focal length ...