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Hello, wow its been a long time since I stopped by. Been away from lasers for a while. I just wanted to quickly let everyone know about a bad experience I just had with an ebay seller called "cables-n-peripherals". I won an auction for a lighwave electronics Halfnote 2.5w 532nm laser head but...

I just got a couple of free project enclosures that are really nice.  They came from Pac Tec as free samples.  Here's the link to them. http://www.pactecenclosures.com/New-Enclosure-Products.html They will send you up to two free samples of their new products (cases), no charge for shipping or...

I recently had the opportunity to check out a Lab style laser made by New Star Laser Technology: http://www.newstarlaser.com/product.htm email: jane_newstarlaser@hotmail.com and thought I would pass along what I learned about it, in appreciation for all the help I received from the...

I recently ordered one of the very popular, cheap, 5 mW green laser pointers and noticed it was very, very bright for 5mW and I could see the beam in the daylight. So I checked it with my LaserBee and it was putting out 50mW :o I then put a NOVA IR filter between it and the thermopile and the...

I posted some images of this green laser's spot previously to get opinions on it (http://www.laserpointerforums.com/forums/YaBB.pl?num=1221084038/0#0) but I am still baffled by it. I have some better images of it now (taken through a red filter to dim the green to a point the camera can...

I was trying to measuring the beam diameter of a 532nm DPSS laser and I noticed that the beam was more oval shaped than round. I guess no beam is perfectly round but this one looked borderline TEM10. I'm having to view the spot through a digital camera (I have ML7 safety glasses on order from...

I know this is a much discussed topic. I've read everything I can find on it in the forum. But I'm still not quite sure of the best way to test for it. I have a 200+mW Green Lab laser on the way and I've been promised it has a good IR filter with no leakage. I believe them ;) But call it...

Just saw this on ebay. Not sure but this might be good for driving some low voltage, high current IR diodes. It's cheap. More details here if anyone is interested...

Can anyone tell me how (if) a lab style, 532nm DPSS laser can have it's beam diameter and divergence improved? Can this be done through the optics? My understanding is that these two beam characteristics are determined by the pump diode and crystal characteristics. The reason I'm asking is...

I'm looking for suggestions as to where I should take a chance on getting a green 100 to 150mw lab style.  I'm considering aixiz, or snoctony on ebay.  I can't spend more than about $250 right now.   I'm feeling kind of rushed to get one as I fear more vendors may begin to fall to the...

Just found this section so I guess I'll introduce myself. I'm a 43 year old guy with a background in electronics. I have been fascinated with lasers for as long as I can remember. Right now I'm pulling a steep learning curve and would like to thank everyone for sharing their knowledge. I hope to...