Questions tagged [emission]
The emission tag has no usage guidance.
5
questions
2
votes
1answer
27 views
Photodissociated iodine laser and population inversion
Iodine molecules ($\ce{I2}$) can absorb in the visible region and dissociate into $\ce{2 I^.}$ radicals. One of the I atoms is in ground electronic state $\mathrm{^2P_{3/2}}$ and the other I atom is ...
0
votes
1answer
29 views
Thermionic Emission Conservation of Energy
I am learning about thermionic emission and how it led to the vacuum tube. It is said that thermionic emission was a way to increase the flow of electrons from a signal (e.g. in a radio receiving a ...
4
votes
1answer
116 views
Absorption and Emission at same wavelength?
Is it possible for a molecule to absorb and emit at the same wavelength? What is the reason behind it?
I’m working on charged Tin porphyrins and got the excitation and emission (fluorescence) ...
2
votes
1answer
91 views
Detectable elements using flame AES
I've been looking for extra information concerning flame atomic emission spectroscopy. I need a clear overview of which elements are detectable with this technique, but I can't find anything because ...
0
votes
0answers
30 views
Temperature dependence of emission lines from gases, for example, neon
Emission lines from Ne are frequently used as wavelength standards in spectroscopy. Reading around Wikipedia, I found about the Paschen law regarding the voltage required to start a discharge.
My ...
