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I recently purchased a 100mW 532nm pointer from AliExpress (seller Luck Shop). free shipping lowest price high quality 5000mw Handheld Adjust Focus green / red Laser Pointer SDLaser 302-in Laser Pointers from Office & School Supplies on Aliexpress.com It arrived the day after Christmas. My...

I have read numerous posts about the cheap laser pens and IR leakage. I bought a couple of the "sets of three" for about 15 bucks from a couple of sellers. I have an Ophir head that I've connected to a voltage display panel and can get a good idea of output using it. It's not an official LPM...

I picked up an ebay Ophir, a power distribution board from Laserbee and a heatsink from Mrcrouse. I combined them with a Ramsey regulated 12 volt power supply, a yellow LED voltmeter from ebay and some parts from Radio Shack: It's functional and I will use it to check my ebay pens, O-Like...

:p I know, I paid too much, it's probably refurbished, etc., etc., etc.. But, it's all mine!! I plan on getting a split-rail power supply for it and at some point hooking it up to an arduino. That will be a couple of months down the road though. I need to build the bank account back up. -Bob

I picked up a set of the cheap ebay red/green/blue pens: I also had a glass block that had a motorcycle laser etched in it: I decided to introduce the two. First the green: Maybe a different angle? Nothing very interesting I guess. On to the red: Again, nothing exciting...

Is this something someone with a 3W 445nm laser could have fun with? BROADBAND POLARIZING CUBE BEAMSPLITTER 27MM X 27MM X 34MM - Surplus Shed ??? -Bob

My first attempt at imaging the beam from the 3W 445nm I received a few days ago: It was dark, however my motion sensor halogen security light kept coming on, which explains the funky background. Plus it is overcast at the moment. One of these nights I will get to a truly dark place and...

Registered a couple of days ago after ordering one of Rick's 3W 445nm kits. Been spending time devouring all the information on this site. Thanks to all that have shared their information and stories. It's very educational. I received the kit yesterday and it's a beauty. Assembly was no...