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RA_pierce's latest activity
RA_pierce
replied to the thread
ECDL setup with custom controller
.
Very nice. I've been planning an ECDL for some time... your report will be helpful. Thanks for sharing!
Mar 26, 2024
RA_pierce
reacted to
atomd's post
in the thread
ECDL setup with custom controller
with
Like
.
In this multi post series, I'll describe step by step series how I built by ECDL setup. Let's start with physical construction. Design...
Mar 26, 2024
RA_pierce
reacted to
Ears and Eggs's post
in the thread
A huge group of idiots
with
Like
.
I'd prefer that the idiots get their hands on explosives rather than lasers though. At least idiots plus explosives is usually a...
Mar 23, 2024
RA_pierce
replied to the thread
A huge group of idiots
.
Yeah, but we expect dishonesty from "news" sources, don't we? The facts are less important than clicks and advertiser $$$. Lasers are...
Mar 22, 2024
RA_pierce
replied to the thread
A huge group of idiots
.
Too late. It's been getting worse and worse every year. It was bad when it was just 30 mW DPSS pointers but now it's easy to get lasers...
Mar 21, 2024
RA_pierce
replied to the thread
NDG7H75E 532nm CNI Build
.
I bet those CR2 batteries don't last long. It's nice to see one of these diodes up and running. This looks like a fun little laser. Any...
Feb 26, 2024
RA_pierce
reacted to
Gryphon's post
in the thread
NDG7H75E 532nm CNI Build
with
Like
.
The NDG7H75E looks like any other generic 9mm diode with a small window and no case pin. At threshold it lases at 530nm and shifts up to...
Feb 26, 2024
RA_pierce
reacted to
RedCowboy's post
in the thread
1W Laser for Self Defense in an Active Shooter Situation
with
Like
.
If someone @ 100 meters intends to shoot you...... chances are you won't know it until you are hit. As for a 1W multi mode blinding at...
Feb 20, 2024
RA_pierce
replied to the thread
How do you guys feel about lasers being used for space communication?
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A laser behaves like a point source of light, so its intensity will decrease according to the inverse square law (ignoring scattering...
Feb 13, 2024
RA_pierce
replied to the thread
Tiny RGB
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Yeah, that's what I meant. It's cool that you got acceptable surface quality - it's something I've wanted to try but figured it's not...
Feb 8, 2024
RA_pierce
replied to the thread
Yellow 573nm DPSS Laser Modules
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This has been reported by some members here, and there are published research articles that mention a crystal that lases at 573 nm with...
Feb 8, 2024
RA_pierce
replied to the thread
Renkforce RF-LP-500 laser pointer pen review
.
I'm not sure if you meant this as a joke but I find it funny. In this world, I would expect that a change like that would be due to cost...
Feb 7, 2024
RA_pierce
replied to the thread
Is this a IR-Filter?
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Yes, it's an IR filter. Some 532 nm DPSS lasers will use the IR Filter to direct a portion of the beam to a photodiode for optical...
Feb 7, 2024
RA_pierce
replied to the thread
am i the only one who actually likes the danger stickers on laserpointers?
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I like the stickers. I made some custom stickers and put them on all my builds. Aside from the aesthetic and as a safety warning, they...
Feb 7, 2024
RA_pierce
replied to the thread
Yellow 573nm DPSS Laser Modules
.
@Gryphon Nice tear-down. I appreciate the sacrifice. For future reference, you can split the press-fit parts in two places on opposite...
Feb 5, 2024
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