Running multiple diodes from a single drive via parallel connections.

Hey guys,

So yet again I need some help :p

I am not really sure about building with lasers but I want to try and power multiple diodes using a single driver via parallel connections. Here's my plan

for the sake of this issue lets say I have a driver outputs 20v 10A
and I have several diodes lets say they need 1A 2V to be biased on and work so theoretically I could run 5 of those in parallel with some resistors to modify the voltage across each branch of the circuit.

something like this (sorry for the bad quality made it in paint a second ago ;)




the only issue I found with this was as member 94Z28 pointed out if one of the diodes were to die the influx of current would destroy the rest of the diodes.

so I went back to the drawing board and thought of making a schematic that would control the voltage and the current output something like a buck control circuit with closed loop control. So the pulse modulation would change if one of the other diodes went out immediately. and put one of these in between each diode.

If anyone's ever made anything like this id be a lot of help if you let me know how you did it or if this configuration would work. from what I've found it switches in milliseconds I am not sure if that's quick enough to burn out the other diodes or not. thanks again guys

Edit: This would be for portable solutions.