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Old 12-24-2014, 11:16 AM #1
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Class 1M Laser
 
Join Date: Dec 2014
Location: Hampshire, UK
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Default Hello LPF :)

At Hak's suggestion I'm posting a welcome - hello

I first played with pointers back in the 90s when they were only available from specialist electronics retailers in kit form (little more than a module with focusable optics and a plastic box with switch for batteries, and a small regulator).

Back then I also toyed with the idea of building a burning CO2 laser but decided the risks far outweighed any benefits, so put my efforts into tesla coiling instead.

My interest in lasers was rekindled a couple of years ago; since 2007 I've run my cars on nothing but homebrew biodiesel (see http://www.biopowered.co.uk), and part of the process is checking for soap byproducts remaining in the fuel. This can be done by titration but also by a water shake up test - literally mixing a fuel sample with water and shaking, the biodiesel floats to the top and the water later remains at the bottom, complete with any residual soap. Judging the clarity of the water is quite subjective. After reading about how particulate detectors use a laser to measure backscatter, I've taken to shining a laser pointer through the water layer. Water layers with no visible red beam @ 1mW typically only have a few PPM soap in them, but the beam becomes clearly visible at about 100PPM.

But, I confess, purchasing some cheap and nasty 301s and 303s isn't for any purpose other than rekindling my fascination with lasers - I really had no idea such things were available for so little these days. I find that pretty amazing considering what goes into making a green laser work. And I've been reading a lot of the posts here detailing homebuilds - this sounds right up my street as far as projects go

So yes, hello - I'm glad to see this forum has a "to the point" (as it were) attitude, I like the direct approach and won't take it personally if anyone tells me I'm an idiot for suggesting buying a >1W module for illuminating my eyebrows, for example.


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Playing with lasers since 1997.
405nm 100mW x 2 + dead 301
445nm 1W pointer and 3W+ Nichia NDB7875 with G9 Lens
532nm 5mW, 100mW x2, "True 300mw Output" (from China, actually about 80mW)
630nm 0.5mW, 100mW + dead 301
Nitecore D4 charger and iMax B6 for tending the Lithium Ions

Last edited by tttonyyy; 12-24-2014 at 11:18 AM. Reason: Typo
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Old 12-25-2014, 12:09 AM #2
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Default Re: Hello LPF :)

EXCELLENT INTRO +6 ALREADY GIVEN

we have many fine members not far way- and we do like to lend a hand when we can-
Its a long standing tradition at the forum to meter anothers lasers free of charge-
Nice to know what you got!!

sending you a friend req..

hak
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QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
KGB1W+ 532 DT Pro 40 soon to be GB.
Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
REKE RGB 500- G 300
HeNes-(12)R(3)G-COH-594/5 mW-thnx DrSam
MULTILINE-147mW[
445nm 180mW-Mini spiro-Yob.
LPMs-RadiantAlpha& Pro5W-AixiZ SPER/KenmeterLite/LB1
Spacelas 1178mW 655nm/AixiZ 300mW532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
Guide DIY Pjs by Dan-
http://nqlasers.com/scannerreference/index.php?title=Main_Page
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