In Light: Science & Applications journal UCLA researchers introduce an innovative design for diffractive deep neural networks (D 2 NNs). This new architecture, termed Pyramid-D 2 NN (P-D 2 NN), ...

IF N,u,η are the refractive index, the paraxial angle, and the size of object respectively, and dashes denote these quantities in the image space, then the magnification formula, is valid for ...

The magnification (or power) you will see through a given optical system depends on the telescope and the eyepiece. The simple formula is: Magnification = Focal length of telescope ÷ focal length of ...

In response to the emerging demand for dynamic and cross-scale microscopic observation in fields such as biology, medicine, and materials science, the liquid lens has been widely adopted in modern ...