Typically incorporating primary and secondary hyperbolic mirrors – RC designs offer compactness, a good field of view and are free of optical errors and spherical aberrations inherent with traditional ...

Cerebral blood flow is essential for normal brain function and often perturbed in neurological disease. If one shines a source of coherent light on ...

Light speckle fluctuations, a noninvasive proxy for cerebral blood flow index (CBFi), are quantified by diffuse correlation spectroscopy. However, this conventional technique provides marginal brain ...

System implements patented phase-based DAS techniques to deliver the highest fidelity data and actionable information. CHANDLER, Ariz., /PRNewswire/ -- VIAVI Soluti ...

One of Avantier’s defense industry customers asked the company to assess the feasibility of producing a large-format infrared dome from hot-pressed magnesium fluoride (MgF 2) (Figure 1). This dome ...

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

Researchers report building photonic computing chips that use light pulses to train spiking neural networks on ...

Photonics is gaining momentum as a platform for high-speed AI computing. Researchers in Singapore have demonstrated a passive, ultrafast, and integration-ready all-optical nonlinear activation ...

WOH G64 has always been an oddball. It sits in the Large Magellanic Cloud, a small galaxy that orbits the Milky Way, and it ranks among the most extreme red supergiants known.

Phase-coherent lasers are crucial for many precision tasks, including timekeeping. Here on Earth the most stable optical ...

This new sensor demonstrates exceptional acetylene-detection sensitivity with a simple fiber-splicing design, which could ...