Hello,

I am trying to develop a device to measure multi-angle light scattering
through a microbial culture to determine the biomass of the culture. I
have not worked with lasers or photodetectors, and I'm wondering if anyone
can point me to some good resources for possible circuit designs. (I hope
to use a 645nm laser diode, and sequentially monitor the output of 8
photodetectors through a multichannel ADC such as an ADS8344.)

Has anyone done anything like this? What are the considerations for the
photodetectors to use?

Many thanks,
Matt Brauer

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Matthew J. Brauer
Department of Genetics
Stanford University School of Medicine

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