B&W Tek spectrometer
Okay I received my 3 units. I am not going to be using the Spectrometers Sooooo anyone out there that wants them/it. pm me and I will send them as I don't want to throw them out. Also the board the...
View ArticlePolarizing Filter Mystery!
Hi folks, I've got an unusual phenomena I've discovered involving a polarizing filter for photography. I thought a video would do a much better job of explaining the question than text would, so I made...
View ArticleBoost/Buck driver
Hey Great news, just saw a new buck/boost driver from Xwoosy-Vladimir IÂ’m not sure if itÂ’s been discussed yet, I hope he comes out with a much higher current boost driver next but for know this Is...
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3D Printed Sharp GH04850B2G Build
Hi everyone, I got a few of these new Sharp diodes and decided to use one for a build. I had no fitting boost driver around, so I build one. It doesn't look that pretty, but it works perfectly. The...
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Test of diodes in NUBM08 block one by one
From many tests with single laser diodes discussed here we know that the LDs with G-ball of even the same type can slightly (or not) differ in power, wavelength and quality of collimation by attached...
View ArticleBeam expander on a camera
There's lots of talk about beam expanders on lasers, but how about using them on small cameras? Are the optics high enough quality? I assume so. Would a BE be compatible with camera optics? The idea...
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Help need to identify TTL ( + ) and ( - ) ...
Hello from Bulgaria, Europe, I have two 405nm lasers with this TTL drivers, but on the PCB TTL ( + ) and ( - ) are not marked ... Please, if you know where they are - attach the image with correct...
View ArticleHello from Bulgaria
Hello from Bulgaria, My name is Emil. I am interested in UV laser for PCB fabrication ( DIY related .. ) Best regards,
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some "new" pics 5/6/18
These photos were taken about 2 months ago when I was working with the 5 vertical mirror set up. I had posted two of my three attempts at shooting this (posted here on 3/9 and 3/24), and these are the...
View ArticleLooking for the best laser safety glasses
Hello guys I work as police officer and given that there are too many idiots using high powered laser pointers as toys, flashing them at us or at car drivers or in public, I am looking for the best...
View Articlecomputer power supply
I have several computer power supplies from 1U rack servers (old PIIIs) and desktops. I know if you short the green wire and the black wire next to the green on the mother board connector,, you can...
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Sharp 488 VS Tiffany blue
Since sharp open it's 488nm laser diode source, the price drop a lot. Before I got the 488 laser, I have no idea how close the 488 with the Tiffany blue. After I got it and soon found it's more cyan...
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I Was Gifted a Dove Prism
I shared one of the prism posts I made recently with some workmates...and they went out and bought me a dove prism based off one of Paul's comments (TY PAUL!). Yes, I had a birthday - they don't just...
View ArticleOMG.... The Earth is Flat...
These are definitely classified as FM. Some people just seem to be a waste of oxygen... Jerry
View ArticleDPSS laser flicker,, what gives.
So,, I got this Besram 300 mw 532 nm lab laser. I turn it on has a little delay, and then comes on. but it gets brighter then dimmer then flickers and is beginning to upset me. I had an old laser Aixis...
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Household Deathstar
Here I'm starting a thread about the most high-energy laser that had ever been manufactured commercially for general lab use. The GOS-1001 Nd:Glass laser, that is rated for 1000 J of output energy! And...
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488nm vs 49Xnm
Today I received a bin'd <488nm Sharp (HUGE thanks to ZRaffleticket and Paul for lining this up). I gotta say, I'm very happy with the entire process of getting something this specific,...
View ArticleUnfocused Burning?
I've recently added a new laser to my collection, a 3000mw 450nm beefy looking mod from Laserpoints.com. I'm a novice when it comes to laser experience, but I'm in no way a dunce. I plan on doing some...
View ArticleDTR laser - option to choose drive ma gone?
I am looking to purchase a module with a driver to build a diy lab laser with the sharp 490nm diode from DTR, I remember there used to be an option on the website to choose the current that you want to...
View ArticleHi from Virginia!
Got into diode lasers a month ago, mostly have been doing things with 445nm diodes such as the M-140 and PLTB450B. I've always been interested in electronics since I was young, so I decided I'd take a...
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