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Don't use strong lasers without this - easy to make! (Patreon)

Published:
2020-12-31 18:48:28
Imported:
2026-06
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Content

Final video of 2020! A special one where I try some DIY when building and testing a beam dump.
A device that is strongly recommended if you regularly use class IV or even class IIIb lasers. Kind of embarrassing I haven't had one until now...

I thought this would be a quick video to make and give me some time off in December.
Well, I was wrong. Building something WHILE filming takes ten times as long. And try counting the number of video clips and editing cuts in this video...

Hope you enjoy it even though my channel is not really a DIY one.

Happy New Year! Thanks for the overwhelming support in 2020. See you in 2021.


Files

Previews only

Don't use strong lasers without this - easy to make!

If you use high-powered lasers it is not necessarily enough to use safety goggles. Especially Class IV lasers need some extra attention: a beam dump to stop the beam and the reflections from the laser dot. In this video I show you how to make one and I test it using lasers up to 1500 mW. An easy and inexpensive build that will be a major safety upgrade for your laser collection. My Patreon-page: https://www.patreon.com/Brainiac75 Testing my strongest lasers: https://youtu.be/c4RsQdyjgJE Did you miss one of my videos?: https://www.youtube.com/user/brainiac75/videos FULL MUSIC CREDITS Time code: 0:01 "Redletter" Kevin MacLeod (incompetech.com) ISRC: USUAN1100714 Time codes: 0:46 + 5:57 + 10:43 "Perspectives" Kevin MacLeod (incompetech.com) ISRC: USUAN1300027 Time codes: 3:57 + 8:21 "Lightless Dawn" Kevin MacLeod (incompetech.com) ISRC: USUAN1100655 Time code: 4:44 "Neo Western" Kevin MacLeod (incompetech.com) ISRC: USUAN1100615 Time code: 5:42 "Long Note One" Kevin MacLeod (incompetech.com) ISRC: USUAN1100418 All music above licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ Time code: 7:48 Mix of two tracks: 1) The Shimmering by fran_ky (freesound.org/s/237363) Licensed under Creative Commons 0 license 2) "Spacial Harvest" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ ISRC: USUAN1100653 #BeamDump #DIY #Brainiac75

Comments

TechieSteve

Happy new year to you too! Very good result! You could reduce the inner glow with some baffles inside. You could drill a centre hole in a few of the spare end caps you have, trim off the excess overlap plastic and push them inside, but you'll probably need to protect them with metal as you did with the front to save them from a direct hit from a misalignment of your larger lasers. I did a similar thing with some cheap photographic lens extensions and it improved contrast no end. I wonder, is that black anti-static foam material ICs arrive in non-flammable? If so, some of that on the inside walls would kill the reflections perfectly.

TechieSteve
>>50540593

oooh, just had a thought, possibly fuelled by new year beer, but bear with me! If you sprayed the inside with paint again, put in a handful of dry sand (just any old sand, dry it in the oven, even salt might work!), turn it round and round so the sand gets stuck in all the paint, let it dry, then give it another spray of black paint to cover the sand, do you think that would make a good dispersing surface?

Anonymous

Where could some one find a red laser like that one? I’ve tried google but no luck.

Anonymous

I would like to see the beam dump colored with Vantablack :P

Brainiac75
>>52182631

Me too, but it's impossible to get and I don't want to know about the price. I also have a feeling that the carbon nanotubes would be blown off by the intensity of strong lasers x)