Researchers have developed a compact imaging system that can measure the shape and light-reflection properties of objects with high speed and accuracy. This 5D hyperspectral imaging system—so-called because it captures ...
Optics & Photonics
Aug 28, 2018
0
327
Researchers have developed and demonstrated the first handheld ophthalmology instrument with resolution-boosting adaptive optics technology that can image individual photoreceptors in the eye. The new portable instrument ...
Optics & Photonics
Aug 23, 2018
0
218
A new type of pressure sensor based on light could allow the creation of sensitive artificial skins to give robots a better sense of touch, wearable blood-pressure monitors for humans and optically transparent touch screens ...
Optics & Photonics
Aug 14, 2018
0
119
Researchers have shown that a chip-based device measuring a millimeter square could be used to generate quantum-based random numbers at gigabit per second speeds. The tiny device requires little power and could enable stand-alone ...
Optics & Photonics
Jul 24, 2018
0
212
Researchers have shown that it is possible to train artificial neural networks directly on an optical chip. The significant breakthrough demonstrates that an optical circuit can perform a critical function of an electronics-based ...
Optics & Photonics
Jul 19, 2018
6
1800
A newly developed analysis method can detect hydroxyl radicals (OH) with unprecedented sensitivity. Because OH is a critical component in the combustion processes that power most vehicles, the new approach could advance the ...
Optics & Photonics
Jul 19, 2018
0
60
Researchers have demonstrated nanomaterial-based white-light-emitting diodes (LEDs) that exhibit a record luminous efficiency of 105 lumens per watt. Luminous efficiency is a measure of how well a light source uses power ...
Nanophysics
Jul 12, 2018
1
1014
While ultrasound is one of the most common medical imaging tools, conventional electronic ultrasound devices tend to be bulky and cannot be used at the same time as some other imaging technologies. A new ultrasound system ...
Optics & Photonics
Jul 2, 2018
0
8
Researchers and engineers have long sought ways to conceal objects by manipulating how light interacts with them. A new study offers the first demonstration of invisibility cloaking based on the manipulation of the frequency ...
Optics & Photonics
Jun 28, 2018
2
1353
Researchers have scaled up a powerful fluorescence imaging technique used to study biological processes on the cellular level. Previously limited to samples just millimeters in area, the expanded approach can analyze samples ...
Optics & Photonics
Jun 26, 2018
0
26
