Researchers in the US have demonstrated how quantum entanglement could be used to detect optical signals from astronomical ...

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 ...

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 ...

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

When measuring with light, the lateral extent of the structures that can be resolved by an optical imaging system is fundamentally diffraction limited. Overcoming this limitation is a topic of great ...

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 ...

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 ...

This article discusses how optical microscopy is used in analyzing, visualizing and imaging nanomaterials as well as its limitations and recent studies related to optical microscopy utilization in ...