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How to create a spiral phase plate in COMSOL?

Posted Apr 27, 2020, 1:48 p.m. EDT Wave Optics, General, Modeling Tools & Definitions 1 Reply

Erick Ramón Baca Montero
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I want to model a Spiral Phase Plate (as shown in figure SPP.png).

Here the thickness of the object varies with the azimuthal angle as in .

I have tried using a parametric surface to draw the faces of the plate and create a closed solid (as shown in figure SPP2.png) and then convert to a solid, however I keep on getting the message ´The operation resulted in an empty geometry´.

What could be the issue here? Is there a way around to create the spiral phase plate?

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1 Reply Last Post May 9, 2020, 12:21 p.m. EDT
Ogier C  Bordeleau
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Posted: 4 years ago May 9, 2020, 12:21 p.m. EDT

Hi buddy, what's the value you are getting with Pi value at the end.

Hi buddy, what's the value you are getting with Pi value at the end.

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