Hey Everyone
I am stumped and I was looking for some ideas on how to fix my problem. I am using a NI 5761 to collect signals from a couple photodiodes and a PMT, I am also using the PFI line to send a digital signal to trigger a nitrogen pumped dye laser.
The trouble that I am having is using one of my signals from my photodiode to trigger this PFI line. Below I have attached my VI that I am working on and an example of the raw data that I am trying to trigger with. I have been able to trigger the PFI line with a true constant and then collect the data from the two photodiodes in parallel. Now I am trying to trigger the PFI line off the very first peak so the timing can be set for the measurements that I am making.
The reason I have them in separate loops is because now I am looking to achieve parallel data collection between them. Once I am able to trigger the PFI line off the signal, I will that have to put in an algorithm to calculate a desired time delay from when that first edge is detected to when I need the PFI signal and my laser to fire.
Thanks,
Ryan