Re: spectrometer -- two dimensional imager

On Tue, Nov 22, 2011 at 3:40 PM, John Griessen <john@industromatic.com> wrote:
> On 11/22/2011 12:32 PM, Simon Quellen Field wrote:
>>
>> With a 2D sensor, you get a rectangle of light from a slit going through a
>> grating.
>> If the sample is only in the top half of the slit, and the bottom half of
>> the slit lets
>> unfiltered light through, then you can simply compare the values in the
>> top half
>> with those in the bottom half to get the percentage of light that the
>> sample has
>> absorbed. This is nice, because each image calibrates itself.
>
> Sounds just right for a OSHW spectrometer.

If you were connecting via a fiber, how could you do this?

>
> JG
>
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--
Nathan McCorkle
Rochester Institute of Technology
College of Science, Biotechnology/Bioinformatics

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