Sentences with phrase «count numbers of photons»
Conventional near - infrared semiconductor detector systems are limited by low sensitivity and high error rates and can not count numbers of photons.
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Physicists realize things are out of kilter because they can literally count the number of photons — particles of energy — in the universe today and compare that with the total number of matter particles.
One way to measure how an object's brightness changes is to count the number of photons it emits over time.
Not exact matches
The detector enables imaging in so - called single photon counting regime allowing acquiring radiographs with theoretically unlimited dynamic range (in practice limited just by the number of detected photons).
The camera counts the number of light particles, or photons, that reach it every 56 picoseconds, or trillionths of a second.
Count the number of IR photons in the jar.
You have to look at the absorption crosssection per molecule of CO2 and count up the number of CO2 molecules per unit area that would be in the path of a photon travelling a certain distance in the atmosphere you can understand how such a low concentration of CO2 can have such a large effect.