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yes that's very true. I read some old threads about people who own the 0sram 488 and they usually claim it is like a pure blue with no hint of green it. After firing up my diode I knew this was not the case with mine. So I guess my diode ended up to being more in the 490-range. It's truly an...

Thanks a lot, just what I needed :D

I know that but is the polarity shown correctly here? https://drive.google.com/file/d/1yilfWGQQn3NaAAL7jx3uVY5JFGwbKYG_/view

Hi everyone, I recently bought the GH04850B2G (488nm) and the GH05030C2LM (505nm) After hooking the 505 diode to my driver according to the specsheet the LD didn't turn on Since I knew that this diode is case positive I just switched the negative feed to the other insulated pin and it worked...

What do you think ? Quantum well/barrier intermixing blue-shift of indium gallium phosphide

How do you color the focus rings ? looks pretty sweet

$500 for the first build ? I remember how I started with a LPC-826 and an AMC7135 chip lol

Re: Is this thing actually 515 nm? The cheapest direct green diodes you can buy right now, are the 0sram PL515 which are 515nm, so it could be possible that this laser uses that diode

Re: A New Laser 66 Build for a member Yep should be somewhere in this range, I think some of the old projector diodes were a bit lower wavelength than the average one

Re: A New Laser 66 Build for a member Looks good ! :) Do you see a color difference between this one and the other 450nm you have ? Always thought this diode is a little more in the purple spectrum

sure why not haha

Who are you laser safety police or somethin ?

Thanks I tried drilling it but it didnt work I guess a reamer wouldnt be enough cause I needed to open up the diameter for ~1mm diameter

Yo guys, Just wanted to show of the builds I've been working on the past few months (consider that waiting for the parts counts as working time too lol) From left to right: First one uses an Oclaro 700mw diode running at 1400ma (~900mw) from an 4x AMC7135 board with an 3 element 650nm coated...

welcome fellow landsmann

I lol'd as I read this thread cause i remember how me and a few other members tried to warn you to thow away your money

Comparing lasers to cars would be wrong at this point :D Its just not like you have to spent a few hundred dollars to buy at decent laser (or building one). Sometimes quality can be overstated easily. Just want to prevent people throwing away lots of money for things they dont need ...

These are a waste of money if youre just a hobbyist and do not use these for any scientific purposes imo Building your own is waaaaay cheaper (especially the wavelenghts you already bought), you learn a lot of stuff, acquire new skills, and you'll be proud of what you made just my 2 cents

moralfag the only way to prevent such cases is to prohibit the sale of lasers at all or to make them only accessible to a small amout of people and that wouldnt be good either there are much more dangerous thing out there there will always be people who dont care about laser harzads so just let...

Re: 19$ casio 445 diode (never mind it died) Already bought a diode from that seller, works very nice so far. I'm running mine at 900ma. I asked the seller and he claims they're extracted from the old A130 Projectors.