Sentences with phrase «micron band which»
CO2 absorbs IR in bandwidths which most glass transmits well — especially the 2.7 micron band which a lamp emits a considerable amount of.
https://principia-scientific.org/ Not exact matches
Which references... «Absolute Intensities of the Discrete and Continuous Absorption Bands of Oxygen Gas at 1.26 and 1.065 Micron» (1965, Badger et al.) https://authors.library.caltech.edu/10448/1/BADjcp65.pdf «Molecular oxygen (O2) has absorption bands throughout the spectrum from the infrared (IR) to the ultraviolet... The oxygen absorptions at 1.06 and 1.27 um may be attributed to two types of absorption (1) from individual O2 molecules and (2) from O2 molecules that are involved in some interaction through collisions or transient pairings with other molecules (in this case either O2 or N2).&rBands of Oxygen Gas at 1.26 and 1.065 Micron» (1965, Badger et al.) https://authors.library.caltech.edu/10448/1/BADjcp65.pdf «Molecular oxygen (O2) has absorption bands throughout the spectrum from the infrared (IR) to the ultraviolet... The oxygen absorptions at 1.06 and 1.27 um may be attributed to two types of absorption (1) from individual O2 molecules and (2) from O2 molecules that are involved in some interaction through collisions or transient pairings with other molecules (in this case either O2 or N2).&rbands throughout the spectrum from the infrared (IR) to the ultraviolet... The oxygen absorptions at 1.06 and 1.27 um may be attributed to two types of absorption (1) from individual O2 molecules and (2) from O2 molecules that are involved in some interaction through collisions or transient pairings with other molecules (in this case either O2 or N2).»
For those wavelengths in which the air absorbs effectively (such as the 15 micron CO2 band), surface radiation is effectively replaced by colder emission aloft, and is manifest as a bite in the spectrum of Earth's emission (see this image).
At the news conference most of the talk was about the simplest one, the photodiode which measures total reflectivity in the UV / VIS / NIR out to ~ 1.1 microns (the band gap for silicon detectors).
I guess the ∆ T ~ ln C is an empirical formula from the fact that the 15 - micron O2 band is practically saturated at the peak, and hence the additional CO2 causes essentially slow band broadening, which is approximated by the ∆ T ~ ln C formula.
In Earth's atmosphere, there is a «window» between the 8 and 12 micron band where there is virtually no absorption going on, and through which IR radiation passes out from the surface to space virtually unimpeded.