Researchers in the US have demonstrated how quantum entanglement could be used to detect optical signals from astronomical sources at the single-photon level. Published in Nature, a team led by Pieter ...

Researchers from the University of Science and Technology of China (USTC) have unveiled a planar optical device that significantly enhances the capabilities of dark-field microscopy, achieving ...

Add Yahoo as a preferred source to see more of our stories on Google. Microscopes have long been scientists’ eyes into the unseen, revealing everything from bustling cells to viruses and nanoscale ...

Sun-sensing systems are used for coarse attitude acquisition and Sun vector estimation. These units typically use quadrant photodiodes or linear arrays, positioned behind pinholes or refractive optics ...

This figure illustrates the result of distributed temperature sensing using a perfluorinated graded-index plastic optical fiber (POF). The top diagram shows the structure of the sensing POF, including ...

Researchers have developed a new microscope that can visualize the optical response of surfaces at an unprecedented spatial resolution of one nanometer. This paves the way for optical microscopy of ...

Imaging spectroscopic ellipsometry delivers nanometer-level sensitivity and spatial resolution, addressing the limitations of conventional metrology techniques.

Israeli startup targets the economics of high-resolution Earth observation Israeli startup targets economics of high-resolution Earth observation ...

A space camera optical system based on an off-axis four-mirror freeform design is one such solution, offering a 70° ultra-wide field of view from a 640 km orbital altitude. This system is an ideal ...