Figure 1a shows a slotted optical switch. An LED is mounted in a plastic housing, facing a phototransistor, but separated by a gap. If something moves into the gap, it blocks the light path between ...

A string of fiber-optic sensors running along a 36-km stretch of high-speed commuter railroad lines connecting Hong Kong to mainland China has taken more than 10 million measurements over the past few ...

Monitoring the partial pressure of hydrogen in a cheap and reliable way is essential for its implementation as an energy vector. Optical sensors have a particular safety benefit due to the lack of ...

In 1978, Dr Kenneth Hill, a Canadian physicist, first demonstrated the Fiber Bragg grating (FBG), an optical sensor able to reflect narrow wavelengths of light. During the 1980s, the technology was ...

From autonomous vehicles to optical testing, these sensors bring high performance infrared detection into real-world systems.

AUSTIN, Texas & EL SEGUNDO, Calif.--(BUSINESS WIRE)--Slingshot Aerospace, the innovative technology company dedicated to improving spaceflight safety and optimizing orbital operations, today announced ...

A new study documents an inexpensive, spark-free, optical-based hydrogen sensor that is more sensitive -- and faster -- than previous models. Hydrogen as a clean, renewable alternative to fossil fuels ...

Toposens, a manufacturer of safety equipment, announces the launch of a 3D ultrasonic collision avoidance sensor for automotive and industrial vehicles. Called ECHO ONE, the product is based on ...

For autonomous driving and smart traffic infrastructure, technology that can quickly and accurately recognize the surroundings in environments with limited visibility is important. Domestic ...

Structural health monitoring (SHM) and condition monitoring are crucial processes that ensure reliability and safety of ...