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Quantum camera
If I construct a camera with 2 slits in the focal plane curtain and call it the quantum camera. Will the picture I produce with film in the camera be different to the image projected on the focal plane without any film in the camera?
“The contemplation of things as they are, without error or confusion, without substitution or imposture, is in itself a nobler thing than a whole harvest of invention”
Francis Bacon
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Without film the image could be either a full image one strip or two stripes.
Depending of the setting/construction of that shutter.
But as we are in the philosophical section, I'm sure I missed the point as usual. Slow on the uptake...
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it will be the same image even if it is an imagined camera and does not exist.
i sometimes forget to put film in a camera, i go out expose it, and process it.
it ends up being the same image on the non existent film that i thought i had.
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 Originally Posted by jnanian
it will be the same image even if it is an imagined camera and does not exist.
i sometimes forget to put film in a camera, i go out expose it, and process it.
it ends up being the same image on the non existent film that i thought i had.
This might be the best answer I've seen on this forum,you just made my day John!
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It depends on whether the dead cat gets in the way. =^.^=
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No, the image will be the same except it will get double the amount of light, assuming width of the slit are the same as the single one.
The quanum double-slit experiment resulting in multiple bands require wave from photons in slot1 interfering with the same from slot2. In focal plain shutter situation, the shutter is so close to the film plane that this interference of two waves will not take place.
Thus the image is the same.
Develop, stop, fix.... wait.... where's my film?
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Originally Posted by tkamiya
No, the image will be the same except it will get double the amount of light, assuming width of the slit are the same as the single one.
The quanum double-slit experiment resulting in multiple bands require wave from photons in slot1 interfering with the same from slot2. In focal plain shutter situation, the shutter is so close to the film plane that this interference of two waves will not take place.
Thus the image is the same.
OK, good point, so for the sake of this experiment lets put the curtain further from the focal plane.
“The contemplation of things as they are, without error or confusion, without substitution or imposture, is in itself a nobler thing than a whole harvest of invention”
Francis Bacon
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OK, for the sake of argument, I'm going to enlarge the size of photon to a basket ball size. They'll all get stuck at the slit so there will be no image.
Develop, stop, fix.... wait.... where's my film?
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Originally Posted by tkamiya
OK, for the sake of argument, I'm going to enlarge the size of photon to a basket ball size. They'll all get stuck at the slit so there will be no image.
Now your cheating.
“The contemplation of things as they are, without error or confusion, without substitution or imposture, is in itself a nobler thing than a whole harvest of invention”
Francis Bacon
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If you set the double slit in such a way a single photon can pass both of them AND interfere with each other, then p+p and p-p will take place at the image plane. That would mean the image will have an alternating strip of doubly exposed area and no exposure what so ever.
BUT... if this is an optical system involving one or more lenses, it may be far more complex than that. I would imagine if the slit is placed in image forming plane (there are multiple of these in a complex lens system) or elsewhere, the result will likely vary.
If it is at an image forming plane, you might actually get a image with only visible part being where two slits are.
You cheated first by amending the original setup!
Develop, stop, fix.... wait.... where's my film?
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