A-140, M-140 and multimeter
Hello I have chines laser driver this one (12V TTL 1W 2W 3W 445nm 450nm Laser Diode LD Driver Power Supply Stage Light | eBay) and blue laser diode from DTR's Laser Shop A-140 and M-140 For calibrating...
View Article$ Low cost beam expanders
Got an email today from Edmund Optics. They now offer low cost beam expanders of various fixed powers and wavelengths. https://www.edmundoptics.com/optics/...xpanders/3775/
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Need advice on 50mW 589nm spartan issue.
I finally managed to save up and get myself a 50mW rated spartan which arrived on 2/14/17 and from the beginning noticed it dims VERY quickly. Most runs have it dimming at around 30 seconds into the...
View ArticleConfused about laser diode drivers
I'm confused on if certain diodes need certain drivers since I heard that red diodes need a soft start driver. So I would like to know for future reference what diodes can I just use a plain driver...
View ArticlePossible Safety Measure to stop blindness
So I'm a complete newbie to these forums and I just joined these because I'm building my first IR 300 mw 808nm laser(not yet started). I thought that since I own a gear vr headset ,and my Samsung...
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Beamshots in one of my favourite spots!
I've been meaning to get back out and take some more shots. So here are a few of my existing lasers to keep you all tided over until my batteries arrive for my new Sanwu pocket :angel: This is just a...
View ArticleIs this laser any good?
Laser Pointer Pen G301 532nm Burning Lazer Visible Beam +18650 +Charger Green SA I think I'm gonna buy it i don't know if its a piece of china crap or a good piece of china crap
View Articlenew laser show: shaman's dream
i recently had a museum gallery exhibit of my laser petroglyph photos at the center of southwest studies museum in durango colorado. as part of the opening, i did a laser performance and programming...
View ArticleHi from Las Vegas!
Hello all! Been reading for a while and just bought a couple lasers from sanwulasers.org and thought I'd say hi and make some friends here. I've bought a few cheap ones on eBay and Amazon but nothing...
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Morality question - Free batteries ???
Morality question, You order a set of the top of the line batteries for your laser BUT the seller mislabeled the package with the wrong zip code so on the day the package is to be delivered USPS...
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Collimating Lens for Jayrob Maglite Mods
I built one of the original cree maglite mods years ago and love it. :thanks: Jayrob Only had to rebuild once after if rolled down a cliff and later that day, into the ocean, at night, and continued to...
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Laser Glove / LG-MKII
I just checked, there are a few guys on youtube who have recently done this, but a lot of them are on the fingers, or hot glued POS. Lasergadgets has a cool one, but it's still an object you pick up...
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Bicron Surveyor M mod - PIC scaler BIG POST
Over the past few weeks I have been probing my Bicron Surveyor M for useful areas in which to pull digital pulses from to trigger a number of different ICs and boards. The Bicron Surveyor M is a very...
View ArticleHelp with first build
I recently bought a TO-18 808nm IR laser diode for 5.8 USD and bought the housing for 4.4 USD. I want to power it using 3 AAA 1.2 Volt rechargeable NiMH cells. I was thinking I could use LM317 and a...
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Laserlands 5mW 520nm
Laserlands 5mW 520nm Hello everyone, it's been a long time. For the record, all I had was my phone camera to review this at this time but I don't want to keep anyone waiting... quality is not up to par...
View Article..newby Aussie...
Hi guys, I'm a 38 y/o and new to lasers. Located in the police state of Australia, so not sure what I'm stepping into. Kind of feels like a landmine, but hey, what can you do? The last experience I've...
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Bushnell TRKR 750 *Pic Heavy*
Picked this up at our local Wal Mart last week. Original price was $75. I had seen it sitting on the shelf for months, just one left. Eventually they dropped the price to $35 and I just had to have it....
View ArticleCustomer Serivce(Roitherner Lasertechnik)
Just wanted to quickly post this to comment on the customer service of this company. Let me just say it's pretty darn close to excellent as you are going to get, at least from their e-mail...
View ArticleHigh precision LPM with Ophir 20C-Y-A/150/30 etc... possible with new board.
I just discovered a company in Switzerland that makes programmable open source sensor boards for all platforms. The board in question is a high precision voltmeter (0.5% error) with datalogging...
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