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About a year ago I purchased a laser from SkyLasers. After about three months of use the switch became faulty. I now Kindly request your help in acquiring a replacement. The switch dimensions are H 4.5 mm, to top of button, W 6.0 mm, D 3.0 mm. Attached is a picture of the switch that needs...

I am curious to know how many of you are aware of the Apollo 11 Laser Ranging retroreflector experiment? There are about four or five more of these such reflectors about the moon as well that i am currently too lazy to look up. These reflectors are lased with a .7 meter telescope. How many of...

I was wondering if you guys could tell me the differences between Lab grade lasers, portable lasers and laser pointers. Next i would like to know what it would take to make a lab grade laser built around a I'd like the one from an hd-dvd player. I should probably post this in my profile details...

I was wondering if anyone out there knew much about Gas Dynamic Lasers? Apparently they were classified by the US Government and information is still scarce.

I have a handful of LD's and no good way of identifying them. Ideally i would like to find datasheets for all of them but i dont think that will be possible, one of them is out of an old laser printer. what i need is preferably a list of websites to search through. I guess any good place any of...