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blackbody News
New Rules Reveal How an Object’s Scale Affects Its Interaction with Light
PRINCETON, N.J., Jan. 14, 2020 — Princeton researchers have uncovered rules pertaining to how objects absorb and emit light. Their discovery addresses how the scale of an object affects the way it interacts with light. The new rules will tell scientists how much infrared (IR) light an object of any scale can be expected to absorb or emit. The movement of light through ordinary-size objects can be described in terms of straight lines, or rays. However, in microscopic objects, properties in the lightwave override the
IR Sensor Calibration: When Extreme Uniformity Is Not Boring
Apr 27, 2016 — Extended area blackbodies are now commonly used as reference sources for IR cameras, simultaneously calibrated. The uniformity of the reference blackbody is therefore essential. A newly developed specific bench measures IR source uniformity with a...
Calibrating the Thermal Camera
Dec 1, 2009 — Thermal imaging, once the domain of the defense sector, is finding applications in a number of commercial and medical fields. As more manufacturers join the thermal camera business, the need to test these devices to recognized standards is becoming...
Optical Coating Reflects Virtually No Light
TROY, N.Y., March 1, 2007 -- Scientists have created an optical coating from a material that reflects virtually no light. The research could lead to the development of much brighter LEDs, more efficient solar cells and a new class of "smart" light sources that adjust to...
'Big Bang' Research Wins Physics Nobel Prize
STOCKHOLM, Sweden, Oct. 3, 2006 -- Two US scientists today received the 2006 Nobel Prize in Physics for their work, which analyzed background radiation left from the beginnings of the universe and provided researchers with a better understanding of the origin of galaxies and stars....
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May 2024
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