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Im the type of guy that bounces between hobbies every couple of months. Of all my hobbies the one with the most dramatic changes is lasers. The last couple of years it does seem like laser diode development is almost "exponential" as you said. What amazes me is the mindblowing amount of photons...

I have not kept up with lasers for the last couple of months. I did a quick scan over the threads and did not see this discussed my apologies if so. Anyway I just stumbled upon this. Link below. Don't know if this new module is a good or bad thing for us. Im leaning towards the bad side because...

You're right, that indeed would be a problem. It would probably look like a mess more than a meter from rod.:)

Try a glass stir rod for a line generating optic. Cheap and it works!