pseudonomen137 said:555nm is the strongest for photopic vision. 650-660nm diodes are much cheaper than 635nm diodes, but 635nm is also much more visible. That's just talking about diode lasers though. Common HeNe gas lasers are ~ 633nm I think.
jesse said:what does HENE stand for?
jesse said:ohhh awsome... do the gasses make it more powerful or somthing?