Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
1 vote
1 answer
60 views

3D hologram point from lasers [closed]

Firstly, I'm not a physics guy. I want to try to create a 3D hologram point with lasers. As I know, if I have at least 3 lasers in the same wavelength and their beam is crossing each other at a single ...
Korte Alma's user avatar
2 votes
0 answers
91 views

Holograms as a superposition of many individual interference patterns

I've recently started reading about non-linear optics and holograms. While I do understand the basics of how holograms are made, by superposing the reference waveform on the object waveform over a ...
Nakshatra Gangopadhay's user avatar
1 vote
1 answer
110 views

Holographic "lens" - controlling light diffraction angles with silver halide film

I'm trying to develop a way to control the "exit angle" (diffraction angle) of a monochromatic light source. For example: taking a laser; spreading the beam; and directing the light at a piece of ...
Digiman Brunnell's user avatar
0 votes
1 answer
774 views

Drawing in the air with lasers Question

Are there two different lasers that can be invisible when not overlapping, but visible when overlapping? I desire to build a hologram-ish thing, but with lasers. The system would use many lasers that ...
djax1234's user avatar
0 votes
0 answers
342 views

How does a hologram record the incident laser?

How does the hologram (the photographic plate) record the incident laser beams when they hit onto it, what happens inside the hologram so that it records these laser beams?
Ahmed Elsawy's user avatar
2 votes
1 answer
134 views

Is it possible for two holograms to be on the same holographic film?

I was thinking if you could use a laser of a specific frequency to write a hologram on a film, and then to try to record over the same film but with a laser of another frequency the the first. Is it ...
Eduard Florinescu's user avatar