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Old 08-07-2014, 09:20 PM #1
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Default 1W blue laser brightness problem

Hi all
I recently have made a 1W blue laser in a c6 cree build with a m140 module from DTR. I got the one which incidentally does not say 1W in the website. Now I'm wondering whether my laser is really that bright as a real 1W blue laser because I have seen other sites on LPF saying it is about as bright as a 100 mW green laser which can be seen in daylight. Mine can't. Please advise, especially if you are DTR. I also have a 1.25 A driver. Is that the problem?

it burns like


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1W 445 nm laser.
Resurrected green 5 mW green module
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Old 08-07-2014, 09:31 PM #2
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Default Re: 1W blue laser brightness problem

What you need is to test the power with an LPM to see if it's performing as intended.
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Old 08-07-2014, 09:33 PM #3
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Default Re: 1W blue laser brightness problem

you cant tell power by eye
make friends with a member who owns a LPM- one that also lives in the 'milky way'

this looks mostly like a post building thread- DTR 9 if you dont KOW how to search) is the person who wouild tell you the M-140 doide is capable off more than 1000mW BUT high power equates to shorter lifespan- so yours may be set low for that reason- 1.25A will make a 445nm M-140 diode put out close to 1250mW very effecient diodes and robust too-- & its true 100mW of 532 is equally bright to our eyes as 1W of 445*

*WHEN looking at the dot NOT the beam--

sigh

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KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
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Old 08-08-2014, 12:17 PM #4
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Default Re: 1W blue laser brightness problem

Thanks guys. (Especially hak) Ease of heart now.
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1W 445 nm laser.
Resurrected green 5 mW green module
There are two kinds of light: one that illumines and one that glares
-James Thurber (unadapted)

WHAT HAPPENS WHEN YOU GET HIGHLY OFF-TOPIC:
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"If thine enemy be hungry, give him bread to eat; if thine enemy be thirsty, give him water to drink;so will you heap burning coals upon his head, and God will reward thee."-Proverbs.
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Old 08-08-2014, 12:59 PM #5
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Default Re: 1W blue laser brightness problem

If you're still not sure that your 445nm is performing up to spec., you can probably find a member here that will LPM it for you at no cost.
There may even be a member or two that lives in your part of the Milky Way!

http:// http://laserpointerforums.com/f70/now-over-60-listed-list-lpf-members-lpms-locations-81288.html#post1167175
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405nm Solarstorm S3 (1.09W) • W/L Sonar (264mW)
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445nm Build "Ole Blue" (2.8W+)
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450nm Custom JETLASERS Ti-B (327mW)
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650nm W/L E2 (89mW) • Laserbtb PL-650 1000 (1W)
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5W Ophir/dmm LPM, nospin 5W LPM
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Old 08-08-2014, 01:14 PM #6
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Smile Re: 1W blue laser brightness problem

That's the way to place it Bowtie Guy!
And if you check out my location, it's something more normal now.
@hakzaw1: Just did the not-funny Milky Way kick because well, I don't want to just tell everyone about where I am and let everyone know my exact age! Sum it up: Privacy.
To all you Galactic Hitchhikers: I am in Galactic Sector ZZ9 Plural Z Alpha!
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In school; gonna take me time to answer stuff.
1W 445 nm laser.
Resurrected green 5 mW green module
There are two kinds of light: one that illumines and one that glares
-James Thurber (unadapted)

WHAT HAPPENS WHEN YOU GET HIGHLY OFF-TOPIC:
Here
"If thine enemy be hungry, give him bread to eat; if thine enemy be thirsty, give him water to drink;so will you heap burning coals upon his head, and God will reward thee."-Proverbs.
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Old 08-08-2014, 01:27 PM #7
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Default Re: 1W blue laser brightness problem

You don't need to list your age for us to be able to tell what it is. Sometimes kids just kind of, you know - act like kids. While we all like to see people being enthusiastic about this hobby, I'm afraid you are going to have to tone it down just a bit if you want to make any friends here. Lurk more to learn what you want to without making yourself look bad.
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Old 08-08-2014, 02:10 PM #8
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Default Re: 1W blue laser brightness problem

Yep. Thanks, Krowbar. Gotcha. +Rep
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This guy's not getting blinded. Got the safety.
In school; gonna take me time to answer stuff.
1W 445 nm laser.
Resurrected green 5 mW green module
There are two kinds of light: one that illumines and one that glares
-James Thurber (unadapted)

WHAT HAPPENS WHEN YOU GET HIGHLY OFF-TOPIC:
Here
"If thine enemy be hungry, give him bread to eat; if thine enemy be thirsty, give him water to drink;so will you heap burning coals upon his head, and God will reward thee."-Proverbs.
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