Need someone to do this experiment

RiCharlie

I do not have a polarizer and this experiment calls for two..
Hold a polarizer ( by that I mean a device with two polarized glass or plastic pieces.....isnt that how they are made ??) .. between your eye and a light source and turn one glass until no light passes through..Hold it there...Do not change it....now put another single polarized glass or plastic between you and the first polarizer and see if you can turn it until you again see the light,.,.

Please let me know if you can see the light through the third polarizer...

I am told you will be able to see it but I want to make sure

Thanks

DEpointfive0

Ummmmm... That sounds wrong...

1 polarizer in any direction will yield light coming through, add a second one and rotate, and light will go dim, then black


You can do it with polarized sunglasses

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RiCharlie

I seem to be having difficulty expressing myself ...let me try this way..you have a light source,.,A... and then three pieces of polarized glass or plastic put two between your eye and the light source and rotate them in such a way as to stop all the light from coming through,,. as you just indicated ...,.then put the third piece between your eye and the two other polarizers..not changing them .. and see it you can rotate the third in such a way as to once again see the light,..

Whew!!

SouthArk370Z

The light is blocked by the second of the first two filters. There is no light (to speak of) to even go through the third filter. So, no, it won't work.

Polarizing filters don't actively polarize light - they block those rays that aren't oriented properly and allow the correctly oriented rays to pass through.

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RiCharlie

Actually I have a book on quantum mechanics that says it does!! Its amazing and no one can explain it... I wanted someone to test this for me.. maybe I will just do it myself...but the problem is I dont have any polarizers ..

SouthArk370Z

There may be something going on on a quantum level but, IRL, you're going to get zero light past the second filter for the third filter to act on. (There will be some light since the filters aren't perfect). If you arrange the filters in a 0-90-0 configuration, you will, for all intents and purposes, get zero light out.

The filters are not "twisting" the light passing through them, they are blocking the "wrong" waves. There is no way to "reconstruct" what isn't there.

Search for "optical bench" or "photo polarizer" to find places that sell filters, jigs, &c. You may be able to find some "filters" that actually twist the waves but they won't be photographic/sunglasses filters.

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DEpointfive0

Fùck it. I'll bite... Give me a min...

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DEpointfive0

You're SOL, got burglarized a few years... I guess some were stolen... I only have 1 as well as 1 pair of polarized glasses.

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DEpointfive0

Third-Polarizing-Filter Experiment Demystified — How It Works

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DEpointfive0

Dirac Three Polarizers Experiment

Again, neither place I have quoted is that same as yours, they have a 45 degree turned polarizer in the MIDDLE, 0-45-90, not 0-90-90

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RiCharlie

I cant believe you found this ..that in itself is spooky!!! Who are you..what dimension do you come from? Seriously I am going to get that book and relay what is says..of course the easiest way is for someone to do the experiment...

DEpointfive0

They make this thing called google, you google it.

I googled "3 polarizing filter experiment"

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RiCharlie

I am going to go to the library today and get that book...I will post what I find,..but I am very sure that is what it said....It ought to be easy enough to prove one way or the other..

DEpointfive0

Library? What's that?

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RiCharlie

Its a big building with books right next to the store where I buy my flash power