Lithium batteries: the essential basics.
I'm going to add my report on lithium batteries I originally posted someplace else, because it's very relevant to building lasers. It would make a good sticky, but I don't know how to do that, here....
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Need help/advice with a r&g to yellow dual diode bulid.
I trying to get rid of the splash I have on a dual diode build. It has a ndg7475 adjustable by a 10 turn 5k pot for the green and a mitts 500 for the red, adjustable by a single turn 5k pot, pbs'd...
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Laser Pointer Store - Thor H2 - Review
Finally getting around to writing this up! For anyone not up to speed, this was a unit sent to me by Laser Pointer Store (https://laserpointerstore.com) for a review - I only had to cover shipping ($30...
View ArticleI thought it was Osram 450...
Hello everyone, Today I powered my Osram 1.6w 450nm diode and was suddenly confused.. It's color was closer to 465, comparing with Spiker 1.6w the difference was very noticeable. Maybe I got m140...
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BadBoyBilly's build quality.
I have always love Bad boy's build threads, so when I saw one of his builds on Ebay for sale, I had to jump on it with both feet. I am soooo glad I did. His build quality is more than just shows up on...
View ArticleSoftware Recommendation
It's good to be back here. Once again I'm here to seek help from you guys. I am now part of the retail industry and we are taking every opportunity to save energy and costs because there is no denying...
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FS - Sanwu Challenger II 4000mW 470nm G7 Lens w/ Batteries and Charger
I've had the laser for less than 2 months, and it works great, but I hardly ever use it since it's so powerful. Looking to get $350 or best offer
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Bitter sweet sale :'] Sanwu/Dragon lasers
Hi everyone, I think I met the requirements to post on here. I just started my first laser collection earlier this year ,as a present to myself, since I'm graduating in a couple weeks! I started AMCAS...
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Help focus my first laser!
Hey y'all, I finished my first laser build a few months ago and I was originally happy that my build worked with no problems. This is the link to the cheap diode I purchased:...
View ArticleUmbilical Cord Source?
Hello, I have a few air-cooled argon lasers I play with, but I need to jump some pins for them to lose. I was thinking of building a remote interface by reverse engineering the pinouts, and IÂ’ve got a...
View ArticleDead laser?
I have one of Destructive Gear's old 75mw Sirius lasers from ~2007.. I've used it very lightly over the years, but today I pulled it out of my closet and tried to use it when I found it wasn't turning...
View ArticleUK Election Thread
Figured a UK Election thread was in order, seeing as we're getting close to the election now. Thoughts? Who are you supporting? Who will win?
View ArticleWhat is an RF Oscillator in a driver IC for? How fast can a diode switch on/off
This data sheet mentions an RF Oscillator https://media.digikey.com/pdf/Data%2...85_Summary.pdf It says "An on-chip, low-EMI RF oscillator is available to reduce laser mode hopping noise". What does...
View ArticleWhat's the maximum power of the a laser pointer?
I am just talking about the handheld style lasers, not the laser machine or something. I found this laser from a France store: Pointeur laser 10000mW bleu le plus puissant du monde The 6500mW is the...
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Dead M140?
Hello there! My name is Ivo, and this will be my first laser. I'm an electronics hobbyist, so I'm not new to electronics but my knowledge about lasers is only theoretical... I've been reading, planning...
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Triple Switchable Output, Lab Style PL520 Build w/Custom Linear Power Supply
Just thought I'd share this PL520 build I did a few months back to add something to the sound of tumble weeds rolling through the lands of LPF builds lately :) I wanted switchable output with the...
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Video Projector Zoom/Focus Assembly as Beam Expander
Just wanted to share my experience and some pics of a large Epson LCD video projector's zoom/focus assembly working as an excellent beam expander. An added benefit is that you do not need a collimating...
View ArticleCyonics 2201-15SLB
I have 2 of these, without the power supplies. I have no idea what they came out of. From what I could gather, these are 488nm Argon lasers. The power supplies I've seen are really pricey. Anyone have...
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Knife-edging four NUBM44 in Lasertack micro module
This project was inspired by former avatar of Alaskan. This is my first experience in knife edging of multimode LDs, so I tried to prepare well - last year I asked CDBEAM to make me a Quad...
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