LED light therapy is a staple in professional beauty, but not all devices deliver the same results. Here are the key factors ...

In a new publication from Opto-Electronic Advances; DOI 10.29026/oea.2022.210036, authors from the Laser Engineering Group in the School of Engineering at the University of Liverpool, Liverpool, ...

Absorption spectroscopy is an analytical chemistry tool that can determine if a particular substance is present in a sample by measuring the intensity of the light absorbed as a function of wavelength ...

(Nanowerk News) Photonic systems are quickly gaining traction in many emerging applications, including optical communications, lidar sensing, and medical imaging. However, the widespread adoption of ...

Photon upconversion involves a series of non-linear optical processes where the sequential absorption of two or more photons leads to the emission of a single photon with energy greater than the sum ...

These applications put forward stringent fabrication requirements, including dimensional accuracy, shape accuracy, and surface roughness. Two-photon lithography is a versatile technique capable of ...