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kecked's latest activity
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
kecked
replied to the thread
Path to orange - Advice?
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Thanks I could not read it
Apr 15, 2024
kecked
replied to the thread
Path to orange - Advice?
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https://www.profelasers.com/nouvelle-diode-laser-jaune-nouvelle.html We can buy them.
Apr 14, 2024
kecked
replied to the thread
Space Discussion Thread
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I saw a launch and it was impressive for sure. So are fireworks and much cheaper
Apr 14, 2024
kecked
replied to the thread
525nm>589nm Dye laser cell Build
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I have two coherent dual pump dyes. I pump with 5w 532nm ftom a millennia and get 30mw 80mhz 2 ps pulses. It’s a bitch to align and is...
Apr 14, 2024
kecked
replied to the thread
Path to orange - Advice?
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And try to get them to sell you the fiber…..
Apr 14, 2024
kecked
replied to the thread
Space Discussion Thread
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Until we have ….never….antigrav we wont have a real shuttle. They watched too much Star Trek.
Apr 12, 2024
kecked
replied to the thread
Solar eclipse April 8th 2024
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Yea huge
Apr 12, 2024
kecked
replied to the thread
Solar eclipse April 8th 2024
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I have Timelapse videos but can’t upload them
Apr 12, 2024
kecked
replied to the thread
Path to orange - Advice?
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Not sure. Been a while. I went to do this and didn’t because I got busy. I’ll re read the paper.
Apr 11, 2024
kecked
replied to the thread
Path to orange - Advice?
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https://4lasers.com/en/components/crystals/laser-crystals/pr-ylf-crystals https://www.crylink.com/product/prylf/ Random google. Price...
Apr 11, 2024
kecked
replied to the thread
Path to orange - Advice?
.
There is a Pr doped material pumpe by 445nm. It’s not easy to find and it’s mildly expensive. After that it’s just some optics. It...
Apr 11, 2024
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