Re: Integrator Problem

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jeffbuck@swcp.com
Date: 11/27/02-11:43:13 AM Z


Thanks. Will try if Ed's exposed film method doesn't work. I'm quite anxious
to get home and try this stuff, but I'm getting so much done here at work that
I'd hate to break my momentum .... -jb

Kerik <Kerik@Kerik.com> said:

> Jeff,
>
> The ruby may not block enough of the visible light that the integrator
> is responding to. If that's the case, maybe try a 3-stop neutral
> density gel filter? Or even 2 of them if necessary? You may be able to
> get 2 or more of them out of one 3" gel, depending on the diameter of
> the probe.
>
> Kerik
>
>
> >
> >I wonder how it would be to cut a little disk of rubylith
> >and place it over the sensor disk? This would mask the spectrum very
unevenly
> >(the lamp is rated at 5200K), but do you agree with me that that should not
> >matter as long as the uneven-ness is consistent? I mean, pt/pd does not
> >respond to red light, but presumably the sensor cell of this integrator
does.
> >I'm gonna try this unless you or someone figures it's an essentially stupid
> >idea.... Happy Thanksgiving to the List! -JB
> >
>
>
>

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