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 ...

Optimizing office environments Infrared sensors that measure mean radiant temperature better reflect the heat levels that individuals perceive. (Courtesy: iStock/AntonioGuillem) The internal ...

Scientists at Oxford University have developed a novel sensor made of incredibly thin strands of sapphire that can withstand extreme heat and radiation. The breakthrough is billed as a solution to a ...

HORSEHEADS, N.Y.--(BUSINESS WIRE)--Our nation’s utilities are at a critical crossroads in the transmission, distribution, and generation of electricity. Renewable integration, power quality issues, ...

A direct UV writing technique that can create multiple Bragg gratings and waveguides in a planar silica-on-silicon chip is enabling sensing applications ranging from individual disposable sensors for ...

Sometimes we need a non-contact liquid level sensor. There are several ways to build that, but the easiest is to try an optical liquid level sensor. You may already have an idea in mind since you are ...

Wanting to experiment with using optical mouse sensors but a bit frustrated with the lack of options, [Tom Wiggins] rolled his own breakout board for the ADNS 3050 optical mouse sensor and in the ...

There is a point where taking technology for granted hides some of the incredible capabilities of seemingly simple devices. Optical mice are a great example of this principle, using what are more or ...

Satellite-based electro-optical sensors are intended to detect missile launches early on, gaining valuable time for initiating countermeasures in case of an attack. The Fraunhofer Institute of ...

Traumatic brain injury is a major cause of death and disability. When a patient attends an A&E or neurocritical care unit with a head injury, one of the most important parameters to assess injury ...