Primary performance data for passive fiber-optic devices is provided by spectral measurement of optical insertion loss (IL) and polarization-dependent loss (PDL). Often used to characterize optical ...

Some of the most revealing signals about human health are carried in fluids that are almost impossible to measure. Tears, ...

(a) PLLA microneedle with high-aspect ratio (500 µm in base diameter, 200 µm in top diameter, and 2000 µm in length) with a hydrogel block (100 µm in diameter and 100 µm in length, total volume: 0.79 ...

A new optical measuring device offers a cheaper, quicker alternative to confocal microscopy. Researchers at the Fraunhofer Institute for Production Technology (IPT) have developed a prototype optical ...

(Nanowerk News) The Korea Research Institute of Standards and Science (KRISS) has developed a novel quantum sensor technology that allows the measurement of perturbations in the infrared region with ...

Measuring blood flow in the brain is critical for understanding response to a range of neurological problems, including stroke, traumatic brain injury (TBI) and vascular dementia. Obtaining such ...

VTT Technical Research Centre of Finland has developed smart optical measuring devices with companies for uses that include optimisation of vehicle engines, reduction and monitoring of environmental ...

CU Boulder researchers have built high-performing optical microresonators, opening the door for new sensor technologies. At its simplest form, a microresonator is a tiny device that can trap light and ...