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kecked's latest activity
kecked
replied to the thread
Ban poll for Madness Laser aka 3dlaserbuilder aka ...
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I have no idea at all. Wasn’t here then
Today at 3:58 AM
kecked
replied to the thread
Cyan and Yellow Beam DIY Made
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Ok cool. Yea I went through that looking for the perfect yellow. Never found it except 577nm opsl. Those 571nm are pretty close but...
Today at 3:57 AM
kecked
replied to the thread
Driving two coherent fap modules in series
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eBay find an older coherent driver for a Verdi. There is a gentleman on PL that does laser cutting. He may have a more practical idea...
Yesterday at 12:45 PM
kecked
replied to the thread
Cyan and Yellow Beam DIY Made
.
Let’s try and start this over. So you are looking for the best way to make a perceived yellow beam? I find 642/525 my nicest yellow...
Yesterday at 12:43 PM
kecked
replied to the thread
Driving two coherent fap modules in series
.
Not advisable. But is possible. But risky. What’s even more important is cooling. These arrays pop easily. I’d get the right driver...
Monday at 11:44 PM
kecked
replied to the thread
Cyan and Yellow Beam DIY Made
.
Well combining his beams will never make other frequencies but I do it everyday with sum difference but my media is non linear and my...
Monday at 11:41 PM
kecked
replied to the thread
Cyan and Yellow Beam DIY Made
.
That’s why I want four color 638 577 532 460. That yellow matters. Be better with 607 added and 445 added. In that case I’d move the...
Monday at 2:59 PM
kecked
replied to the thread
Polishing Kryton Groove
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Just reading along. If the base metal is copper or nickel you should be able to put a chrome plate on these that will shine up easier...
Friday at 12:37 PM
kecked
replied to the thread
Path to orange - Advice?
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It used a nitrogen laser pumping a dye laser. Power was pulsed in the 10-20kw range and it destroys the end of fibers like a knife in...
Apr 23, 2024
kecked
replied to the thread
ECDL setup with custom controller
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Quick google turned up this most excellent document...
Apr 20, 2024
kecked
replied to the thread
808nm optics. collimators, cylindrical lenses
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Send me a parts list I may have them sitting around.
Apr 19, 2024
kecked
replied to the thread
808nm optics. collimators, cylindrical lenses
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Plane ar coated optics should work at 800nm. There may be a small loss so check for heat if you’re in the 10w plus range but I’d try...
Apr 18, 2024
kecked
replied to the thread
TEA lasers: Replacing The Nitrogen
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Let’s unpack this. Yes yea lasers pack a lot of power in short pulses. Yes this is really bad for your eyes. You should shield the uv...
Apr 16, 2024
kecked
replied to the thread
TEA lasers: Replacing The Nitrogen
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The only other gas I found was XeCl. Which is expensive, toxic, and not recommended. It’s part of an eximer laser. Seems argon is...
Apr 15, 2024
kecked
replied to the thread
Space Discussion Thread
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I was on base across the river. It was nearly silent. The sound went over us.
Apr 15, 2024
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