Author Topic: Simulation of 3 Polarizing Plates  (Read 1968 times)

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JuneTheSecond

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Simulation of 3 Polarizing Plates
« on: January 23, 2018, 08:20:23 PM »
I am now trying to play simulation of polarization plate on Visio drawing.
I confirmed myself some impressive phenomina through the real polarization plates,
and confirmed them through the simulation more accurate.
Please, enjoy with attatched Visio drawing.
« Last Edit: January 25, 2018, 02:18:24 AM by JuneTheSecond »
Best Regards,

Junichi Yoda
http://june.minibird.jp/

Paul Herber

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Re: Simulation of 3 Polarizing Plates
« Reply #1 on: January 24, 2018, 07:12:25 AM »
Junichi is yet again shining light into the darkest recesses of Visio!  :)
Electronic and Electrical engineering, business and software stencils and applications for Visio -

http://www.paulherber.co.uk/

wapperdude

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Re: Simulation of 3 Polarizing Plates
« Reply #2 on: January 24, 2018, 11:08:41 AM »
Illuminating!  ... and surprising.

Initial expectation was plate 2 / plate 3 at 90deg, no transmission.  Check.
Next expectation was plate 1 / plate3 at 90deg, no transmission.  But not true.  Is this correct???  Guess so.  Fascinating.

Wapperdude
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JuneTheSecond

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Re: Simulation of 3 Polarizing Plates
« Reply #3 on: January 24, 2018, 08:28:14 PM »
Quote
Next expectation was plate 1 / plate3 at 90deg, no transmission.  But not true.  Is this correct??? 

Do you mean "plate 1 / plate3 at 90deg" , and plate 2 at 0 degree?
I am not quite sure, but I think true in my experiment using real plates.
Best Regards,

Junichi Yoda
http://june.minibird.jp/

wapperdude

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Re: Simulation of 3 Polarizing Plates
« Reply #4 on: January 24, 2018, 09:09:07 PM »
Sorry, I didn't explain that very well, but yes. 

For example, plate 1 @ -45 deg, plate 2 @ 0 degrees, and plate 3 @+45 deg.  Result makes sense upon further reflection (no pun intended).

So, this is also educational!   :)

Wapperdude
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JuneTheSecond

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Re: Simulation of 3 Polarizing Plates
« Reply #5 on: January 25, 2018, 05:06:38 AM »
Thank you very much.
I've modified the above Visio drawing somewhere to show more detail.
But I am affraid I have not yet modified my error.
« Last Edit: January 25, 2018, 09:10:01 PM by JuneTheSecond »
Best Regards,

Junichi Yoda
http://june.minibird.jp/

JuneTheSecond

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Re: Simulation of 3 Polarizing Plates
« Reply #6 on: January 26, 2018, 02:00:39 AM »
And added a short vide at
https://youtu.be/J7Hi3K8m6T0 .

Please enjoy.
Best Regards,

Junichi Yoda
http://june.minibird.jp/

JuneTheSecond

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Re: Simulation of 3 Polarizing Plates
« Reply #7 on: January 26, 2018, 06:34:44 PM »
And I found a good refference video at
https://youtu.be/r1sZY826Qys .
I also happened to calculate like in that way in this video.
« Last Edit: January 26, 2018, 06:45:30 PM by JuneTheSecond »
Best Regards,

Junichi Yoda
http://june.minibird.jp/

wapperdude

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Re: Simulation of 3 Polarizing Plates
« Reply #8 on: January 26, 2018, 10:02:59 PM »
Videos were interesting and informative.

Nice.  We'll have to call you Professor!

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JuneTheSecond

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Re: Simulation of 3 Polarizing Plates
« Reply #9 on: February 14, 2018, 06:54:24 PM »
I've moddified a little.
When a second sheet is at 90 degrees to the first sheet, strong light leaks a little.
I've added trancemittance factor at 90 degrees to that of at 0 degree.
« Last Edit: February 14, 2018, 07:49:32 PM by JuneTheSecond »
Best Regards,

Junichi Yoda
http://june.minibird.jp/