[Laser] Light Communications Questions.

[Zack Widup]

Somewhere I have Kodak's files on all their Wratten(tm) filters. I'll find
them and see what info they give. If I remember correctly, they give them as
units of C, M and Y though.

73, Zack W9SZ


On 3/5/09, Tim Toast <toasty256 at yahoo.com> wrote:
>
>
> hi Stan,
>
> here are some light curves for red and cyan wratten filters:
> http://users.skynet.be/jm-derochette/images/Images_3D/filtres.gif
>
> Also here are some dark red and IR filters:
> http://photo.net/photo/edscott/ir000020.htm
>
>
> >2. Any idea what the band pass of the Kodak red wratten sheet filter
> >material is ?
> > Yes red, but 627 or 635 nM ?  or 600 or 7000 nM,  half power bandwidth ?
>
>
>
>
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