Laser, a quality issue?
rwgast_logicdesign
Posts: 1,464
So I purchased some 5mW red laser modules cheaply off ebay, they finally arrived today. The things start turning in to a blob after maybe 8 ft or soo... is this just cheap lasers or what? Ive taken lasers out of cheap junk items before and they all work well in a focused beam at 20ft plus
Comments
http://item.mobileweb.ebay.com/viewitem?itemId=140800296661&index=2&nav=SEARCH&nid=57232683175
the pne i pulled out of junk looks exactly the same just a little bigger, like i said it stays a pinhole well over 30ft.
If they do NOT have optics... they need some. Raw laser diodes can have very divergent beams and require collimating.
Dave
Can anyone recomend a supplier of resonably priced lasers with whatever i need to get a decent beam.
-Phil
Addendum: By the way, I've had good luck with laser modules from DealExtreme.