visible light


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visible light

The part of the electromagnetic spectrum that humans perceive. The infrared and ultraviolet bands precede and follow visible light. See visible light communication.


Visible Light
Our eyes perceive a tiny sliver of the electromagnetic spectrum. The wavelengths from (approximately) 400 to 750 nanometers provide us with our view of the physical universe.




Visible Light
Our eyes perceive a tiny sliver of the electromagnetic spectrum. The wavelengths from (approximately) 400 to 750 nanometers provide us with our view of the physical universe.
References in periodicals archive ?
The trial will use UR's visible light palm authentication, using both palm print and vein patterns, which has the world's highest level of accuracy at only 1 in 100 billion false acceptance rate (see note below).
This advanced EVS is a lightweight, affordable, multi-spectral imager that blends the separate signal from a long wave infrared sensor with a visible light sensor to present pilots with a single, sharp, real-time image.
12-14) Some studies have reported that nitrogen-doped titania surfaces transform from partially hydrophobic to fully hydrophilic upon visible light irradiation.
In this report, the North America visible light communication technology market has been broadly classified into components, such as LED, IR emitters, image sensor, and Optocouplers.
However, there is one drawback that the data receiver would have to be in sight of the transmitter-bulb as visible light does not penetrate solid materials.
ULTRAVIOLET RAYS have more energy than visible light.
Most conventional window films transmit less than 34% of visible light, a good 36% less than the 70% necessary to be undetected by the naked eye.
As a result, two sensors on the ACS that detect visible light failed.
PET window film coated with a 6-micron layer containing 30% to 60% by weight infrared-absorbing nanoparticles retains heat while transmitting visible light.
Visible light transmission varies depending on the lens type: smoky lenses have a visible light transmission of 15 +/-2% for outside use, while clear lenses have 53 +/-4% for both outside and inside use and yellow lenses have 65 +/-4% for inside use.

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