Nov 11, 2008 #1 M mike666 0 Joined Nov 7, 2008 Messages 102 Points 0 What is the main difference between a class IIIa, IIIb and IIIc? I assume it's to do with the power output. Is there a chart or something that shows the difference? What class would my 670nm 5mW lasers come under? Thanks.
What is the main difference between a class IIIa, IIIb and IIIc? I assume it's to do with the power output. Is there a chart or something that shows the difference? What class would my 670nm 5mW lasers come under? Thanks.
Nov 11, 2008 #2 S skylasers.net Guest I think the link below will tell you everything you need to know about laser classifications and more... http://en.wikipedia.org/wiki/Laser_safety
I think the link below will tell you everything you need to know about laser classifications and more... http://en.wikipedia.org/wiki/Laser_safety
Nov 12, 2008 #4 rocketparrotlet 0 Joined Aug 17, 2008 Messages 1,368 Points 0 Are you sure they are 670nm? That wouldn't be very visible. Common pointers are 650-660nm. They would be Class IIIA pointers because a "5mW" laser has an output below 5mW but above 1mW. -Mark
Are you sure they are 670nm? That wouldn't be very visible. Common pointers are 650-660nm. They would be Class IIIA pointers because a "5mW" laser has an output below 5mW but above 1mW. -Mark
Nov 12, 2008 #5 M mike666 0 Joined Nov 7, 2008 Messages 102 Points 0 rocketparrotlet said: Are you sure they are 670nm? That wouldn't be very visible. Common pointers are 650-660nm. Click to expand... Well I had a short discussion about that here: http://www.laserpointerforums.com/forums/YaBB.pl?num=1226336361 I am very certain that they are 670nm. They look a nice deep red in colour but are still bright too. Read my post, linked to above, and you will see.
rocketparrotlet said: Are you sure they are 670nm? That wouldn't be very visible. Common pointers are 650-660nm. Click to expand... Well I had a short discussion about that here: http://www.laserpointerforums.com/forums/YaBB.pl?num=1226336361 I am very certain that they are 670nm. They look a nice deep red in colour but are still bright too. Read my post, linked to above, and you will see.
Nov 13, 2008 #6 rocketparrotlet 0 Joined Aug 17, 2008 Messages 1,368 Points 0 Okay, thanks for the post. I just bought a cheapo red with terrible divergence, but it seems brighter than usual. I think it's below 650nm, like 645 or something. Maybe even lower than that. That's pretty cool that you have 670nm lasers, though! -Mark
Okay, thanks for the post. I just bought a cheapo red with terrible divergence, but it seems brighter than usual. I think it's below 650nm, like 645 or something. Maybe even lower than that. That's pretty cool that you have 670nm lasers, though! -Mark