Why do i see negative peaks when reading for bragg wavelengths from a photodetector using a A/D indicators?

i dont understand why i see negative peaks on my A/D indicator when i use it to read bragg wavelengths from a photodetector for voltage vs time, yet no negative peaks will appear for a waveform graph, can anyone explain? what exactly is this A/D value representing? thnks

Hello nebb,
Thank you for your question regarding unusual values returned on a LabVIEW indicator. You mentioned that the A/D indicator gave negative peaks. I am not familiar with an A/D indicator. Is this an abbreviation you�re using? If you could elaborate on the indicator you are trying to use or possibly provide some simple code demonstrating the issue I would be more than happy to help you resolve the problem you are having.
Shea C.
Applications Engineering

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Why do i see negative peaks when reading for bragg wavelengths from a photodetector using a A/D indicators?

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