Researchers have developed a nondestructive method utilizing light to estimate the total amount of polyphenols and flavonoids in spice extracts, along with their antioxidant and reducing capacities.

Researchers have developed a revolutionary new tool for precision measurement at the nanometer scale in scenarios where background noise and optical loss from the sample are present. (Nanowerk News) ...

Frequency combs are specialized lasers that generate evenly spaced-out lines of light akin to the teeth of a comb or, more aptly, the tick marks on a ruler. In the roughly quarter-century of their ...

In free-space optical communication scenarios, atmospheric turbulence distorts the complex wavefront of signal-carrying light beams, leading to bit errors and even communication interruptions. Note ...

For over 25 years, ProMetric® Imaging Colorimeters & Photometers from Radiant Vision Systems have provided industry-leading imaging performance for test & measurement of light-emitting components. Now ...

On one hand, the speed of light is just a number: 299,792,458 meters per second. And on the other, it’s one of the most important constants that appears in nature and defines the relationship of ...

University of Illinois Physics Professor Paul Kwiat and members of his research group have developed a revolutionary new tool for precision measurement at the nanometer scale in scenarios where ...