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I never used Povray but intend to do it for some scientific purpose. Before
diving into the manual, I would like to know if I could solve this problem:
I would like to define a object by a refraction index distribution n =
n(x,y,z). Then I would like to illuminate the object by laser light and
observe the reflected light resulting from the index gradient in the
material and the interference of the coherent light.
Thankx,
Fabian
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In article <web.3f785a16c6962328c8f6c1c60@news.povray.org>,
"Fabian Dortu" <Fab### [at] imec be> wrote:
> I would like to define a object by a refraction index distribution n =
> n(x,y,z). Then I would like to illuminate the object by laser light and
> observe the reflected light resulting from the index gradient in the
> material and the interference of the coherent light.
POV-Ray does not simulate variable IOR, it can only handle constant IOR.
Simulating variable IOR would require tracing curved rays, which would
be extremely slow to simulate accurately.
--
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/
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From: JC (Exether)
Subject: Re: creating an object by specifying its refraction index 3d distribution n(x,y=
Date: 30 Sep 2003 01:12:40
Message: <3f7910c8@news.povray.org>
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Unfortunately (or fortunately :-) POV-Ray is not intended for realistic
physic simulation, hence you can't vary continously the refraction
index. And even if you try simulating that with small discontinous
variations, you wouldn't be able to describe a laser light, because
POV-Ray doesn't know anything about light coherence and interferences.
I think you should turn toward specialized software like
http://www.optenso.de/download/download.html (I haven't tried it though).
Good simulations,
JC
Fabian Dortu wrote:
> I never used Povray but intend to do it for some scientific purpose. Before
> diving into the manual, I would like to know if I could solve this problem:
>
> I would like to define a object by a refraction index distribution n =
> n(x,y,z). Then I would like to illuminate the object by laser light and
> observe the reflected light resulting from the index gradient in the
> material and the interference of the coherent light.
>
> Thankx,
> Fabian
>
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>
>I think you should turn toward specialized software like
>http://www.optenso.de/download/download.html (I haven't tried it though).
>
>Good simulations,
>
>JC
Thanks for the link. From this site I found another software with the
advantage to be GNU GPL: http://www.okotech.com/software/lightpipes/
Regards,
Fabian
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From: Thorsten Froehlich
Subject: Re: creating an object by specifying its refraction index 3d distribution
Date: 30 Sep 2003 17:45:37
Message: <3f79f981$1@news.povray.org>
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In article <web.3f79673ddea8becbc8f6c1c60@news.povray.org> , "Fabian Dortu"
<Fab### [at] imecbe> wrote:
> Thanks for the link. From this site I found another software with the
> advantage to be GNU GPL: http://www.okotech.com/software/lightpipes/
What additional use does the GPL give you as a user?
Thorsten
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde
Visit POV-Ray on the web: http://mac.povray.org
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