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2 answers
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Can a hologram be programmed to emit a specific frequency of EM radiation?

Do holograms emit EM radiation, or is it possible to program a hologram to emit specific frequencies of EM? If possible, would it require light shining on the hologram to emit the EM? I am asking this ...
Jeremy Gottfried's user avatar
2 votes
2 answers
1k views

How is the virtual image reconstructed from a hologram?

To make a hologram a film is exposed to an incident plane wave and wave from the object to record the interference pattern on the film. The principle is commonly explained in a way like that in p.1212 ...
Kelvin S's user avatar
  • 1,165
3 votes
1 answer
388 views

Holograms? Sci Fi or future fact?

Based on how light behaves when it passes through mediums, i.e. the wavelength of light changes when it passes through mediums of different refractive indexes, wouldn't it be possible to convert ...
jake's user avatar
  • 175
3 votes
2 answers
1k views

Computer-Generated Holograms: I'm completely lost. How are they physically implemented?

I have been reading about holography, and I think I understand the general concept, but one thing that has me completely lost is how computer generated holography works in practice. I think I get the ...
krfkeith's user avatar
  • 327
3 votes
1 answer
197 views

Is it possible to create a hologram using X-Rays?

Is it possible to create a hologram using X-Rays (or other penetrating EM-waves)?
user66548's user avatar