I have had a few request for this so I threw together a special bundle pack for those wanting to do some RGB units with single mode diodes.
https://sites.google.com/site/dtrlpf...gb-diode-budle
Comes with one of each:
120mW 638nm HL63603TG diode
50mW 520nm PL520 diode
120mW 450nm PL450B diode
For $99.