Researchers create fiber optic sensors that dissolve in the body

For the first time, researchers have fabricated sensing elements known as fiber Bragg gratings inside optical fibers designed to dissolve completely inside the body. The bioresorbable fiber Bragg gratings could be used for ...

A levitated nanosphere as an ultra-sensitive sensor

Sensitive sensors must be isolated from their environment as much as possible to avoid disturbances. Scientists at ETH Zurich have now demonstrated how to remove from and add elementary charges to a nanosphere that can be ...

Sensor boutique for early adopters

Every chemical substance absorbs a very individual fraction of infrared light. Like a human fingerprint, this absorption can be used with optical methods for identifying substances. Such methods are used in the chemical industry, ...

Radar with 360° vision

Nowadays it is impossible to imagine industry without robots. Safety laser scanners mostly safeguard dangerous areas and protect people from collisions. But optical sensors have their limitations, for instance when plastic ...

Defining a national standard for dynamic pressure waves

In recent years, the physical damage done by pressure waves – such as traumatic brain injuries from explosives sustained by military personnel in the Middle East – has become an increasingly urgent public concern.

Researchers get better metrics on laser potential of key material

Researchers from North Carolina State University have developed more accurate measurements of how efficiently a polymer called MEH-PPV amplifies light, which should advance efforts to develop a new generation of lasers and ...

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