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2
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1answer
953 views

Dark and bright areas around atoms in a scanning tunnelling microscope image

Recently IBM created world’s smallest ever animation on an atomic scale video. Researchers made the animation using a scanning tunnelling microscope to move thousands of carbon monoxide molecules to ...
10
votes
3answers
922 views

Can we make images of single atoms?

I was wondering how far in imaging physics had gotten. Do we hold the technology to actually take a picture of, say, an alpha particle, or even a single atom? I realise we aren't talking about camera ...
3
votes
3answers
375 views

What if $\gamma$-rays in Electron microscope?

I was referring Electron microscopes and read that the electrons have wavelength way less than that of visible light. But, the question I can't find an answer was that, If gamma radiation has the ...
5
votes
2answers
235 views

How does QM allow imaging of individual electron orbitals?

Question: Why does the uncertainty principle allow probing of characteristics specific to the electron orbital distribution? If you measure an electron's position/momentum, then after you measure ...
0
votes
1answer
147 views

Making or Demonstrating Principle of Electron Microscope

is it possible to either demonstrate the principle or make a SEM ( electron microscope ) at home or lab as an enthusiast?? and how can i start?
8
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0answers
383 views

Measurement of Tangential Momentum Accomodation?

(this question is a crosspost from theoretical physics.) I am using atomic force microscopy (AFM) for characterizing pores of the size of nanometers for application in gas flow. For this, knowing ...
1
vote
0answers
77 views

Scaling an electron microscope to fit within 1 cubic cm when running multiple parallel scans [closed]

Yes, I'm serious. What components correspond to an individual scan vrs what components can be cascaded across all objects? Ex: The vacuum chamber can be cascaded ( colocate the sample chambers ...
1
vote
1answer
416 views

Does coverslip thickness matter for high NA oil immersion objectives?

This question is related to Impact of covering glass on lens performance. I use a 63x TIRF objective with a numerical aperture of 1.46 and oil immersion. The immersion oil has an index of ...
20
votes
4answers
32k views

What do ants see?

After watching some ants in my garden today, and then looking at this very illuminating demonstration, I got to wondering, about what they would see. Not specifically ants (I understand their ...
3
votes
1answer
850 views

How does an electron microscope work?

I am a physics novice. Google tells me that electron microscopes work much like their optical counterparts -- but the analogy falls apart for me when I think about what I'm "viewing." Obviously, you ...
6
votes
2answers
181 views

PSF Measurements In Fluorescence Imaging

Quite a technical question! I have measured the Point Spread Function of 100nm fluorescent breads with my Olympus scanning head. I'm two-photon exciting the beads with a wavelength of 800nm and ...