Abstract: This paper demonstrates a highly sensitive digital readout method for angular displacement measurement using a two-dimensional transmission diffraction grating and a smartphone CMOS camera.

Key applications include space research, EUV lithography for semiconductor manufacturing, and nuclear fusion research ...

Scientists have found a way to trap light in an extremely thin layer, potentially reshaping how future photonic devices are ...

There is a growing demand for miniaturized optical packages in the space and semiconductor industries. To meet this growing ...

Controlling light at the micro- and nanoscale opens up opportunities for a better understanding of the world and the ...

Scientists from the Faculty of Physics at the University of Warsaw, in collaboration with research groups from the Łódź ...

A new quantum communication method uses the temporal Talbot effect to simplify high-dimensional quantum key distribution.

Optical dispersion occurs when the refractive index of a material changes with the wavelength of incoming light. This variation causes different colors to move at different speeds in transparent media ...

Students call it hypocritical. A senior at Northeastern University demanded her tuition back. But instructors say generative A.I. tools make them better at their jobs. By Kashmir Hill In February, ...