Tagged Questions
0
votes
0answers
123 views
Instrumentation how-to: Raman Spectroscopy on single molecules (TERS)
The last two decades have brought a tremendous progress in the high resolution visualisation of single molecules. The molecules reside on an atomically flat surface and the imaging technique used is ...
0
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1answer
397 views
Calculating Kramers-Kronig using Mathematica
First of all, I know there is a Mathematica group in beta, but I don't think the problem of the following is directly a Mathematica issue.
I am trying to calculate the change of the refractive index ...
3
votes
2answers
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Glycerol: refractive index & absorption spectra in 0.2-0.4um range
Could anyone suggest where can I find absorption spectra & refractive index of Glycerol?
I am specifically interested in UV range, 200-400nm, everything I was able to find out was for standard ...
5
votes
1answer
2k views
Newton's color Disk
How does Newton's color disk work?
Newton's disk - Take a circular white color disk, make 7 equal intersections and paint section with respective VIBGYOR colors, now when you spin the disk in certain ...
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votes
2answers
2k views
Why is a plastic bag transparent in infrared light?
This is a classic trick to do with a IR camera:
Bu why is the plastic bag transparent, while the glasses aren't? I've also heard that water is not transparent in IR light. What causes this ...
6
votes
2answers
698 views
Converting between brilliance, intensity, and flux
This one should be a bit of a softball, but I can't find it explicitly stated anywhere on the internet, and my basic unit analysis doesn't seem to work.
Suppose you have a beam of synchrotron ...
2
votes
3answers
123 views
Can a multipass x-ray absorption cell be constructed?
I've been trying to understand the various concepts behind x-ray optics compared to standard visible/IR optics like mirrors and such. However, the x-ray mirrors I've been finding typically have ...
1
vote
1answer
126 views
How much can a laser's position be fine-tuned?
Suppose you wanted to do a time-resolved experiment with a molecular beam traveling at, say, 300 m/s involving a mobile excitation (pump) laser that scans across the length of the molecular beam and a ...
