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Old 12-19-2010, 06:45 PM #17
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Default Re: 100mw 445nm

If the 50mw is a DJNY build...Go for it. You won't find that quality for the price anywhere else.


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Old 12-19-2010, 06:49 PM #18
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Default Re: 100mw 445nm

Quote:
Originally Posted by Coherent Light View Post
If the 50mw is a DJNY build...Go for it. You won't find that quality for the price anywhere else.
A DJNY built would be worth 0.00 bucks - Iīve no DIY laser experiences yet

Itīs a ndrew2505 built!
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405nm >> Wickedlasers SONAR by lazeerer peak@968mW
445nm >> Kryton Smooth by lazeerer peak@2075mW
453nm >> Lipstick by rhd peak@158mW
473nm >> Optotronics RPL-B peak@112mW
515nm >> Skylasers HL peak@41mW
532nm >> Novalasers Alpha HP peak@284mW
589nm >> CNI PGL-III-A peak@89mW
594nm >> Laserglow Rigel peak@4mW
635nm >> MXDL by DTR peak@38mW
642nm >> Saillaser peak@23mW
660nm >> CR2 by lazeerer peak@524mW
685nm >> MXDL by lazereer peak@42mW

Above lasers measured with an Ophir nospin LPM


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Old 12-19-2010, 06:51 PM #19
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Default Re: 100mw 445nm

Since these diodes can be pushed insanely high in comparison to other diodes, people tend to build high powered lasers, rather than lower powered ones.

Guys, how visible is a 100 mw 445nm laser?
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Old 12-19-2010, 07:00 PM #20
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Default Re: 100mw 445nm

I ran one of My 445's off my power supply around 100ma once, and I could not see the beam in a dim room. I could see it in a dark room.
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Old 12-19-2010, 07:31 PM #21
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Default Re: 100mw 445nm

I thought the threshold was 200ma?
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Old 12-19-2010, 07:35 PM #22
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Default Re: 100mw 445nm

It started lasing around 100ma. I don't know why it started so low, but that's the current I hit when it fired up. Might have been up to 125ma as the readout is not exact at the low currents.
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Old 12-19-2010, 07:37 PM #23
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Default Re: 100mw 445nm

Quote:
Originally Posted by Spartan X View Post
WL does not use CNI
They used to and more likely than not still do.


Edit: Post 2,200
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Old 12-19-2010, 08:33 PM #24
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Default Re: 100mw 445nm

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Originally Posted by Prototype View Post
They used to and more likely than not still do.


Edit: Post 2,200
..since WICKED decided to go the cheaper way with cheaper parts.

CONGRATS
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405nm >> Wickedlasers SONAR by lazeerer peak@968mW
445nm >> Kryton Smooth by lazeerer peak@2075mW
453nm >> Lipstick by rhd peak@158mW
473nm >> Optotronics RPL-B peak@112mW
515nm >> Skylasers HL peak@41mW
532nm >> Novalasers Alpha HP peak@284mW
589nm >> CNI PGL-III-A peak@89mW
594nm >> Laserglow Rigel peak@4mW
635nm >> MXDL by DTR peak@38mW
642nm >> Saillaser peak@23mW
660nm >> CR2 by lazeerer peak@524mW
685nm >> MXDL by lazereer peak@42mW

Above lasers measured with an Ophir nospin LPM


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Old 12-19-2010, 09:48 PM #25
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Default Re: 100mw 445nm

The 445nm diode start to lase at 200mA. I build one 445nm pen at bare minimum current.
The beam is already visible at daylight. For 100mW power I estimate 300mA current which is too much heat for a penhost.

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Old 12-19-2010, 10:50 PM #26
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Default Re: 100mw 445nm

I probably had a freak then. That was the only Diode that I ran at that low of a current. I usually start around 400ma and up. I don't know how much surface area for heat sinking a pen host has, so I'll defer to You on that.
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Old 12-20-2010, 06:23 PM #27
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Default Re: 100mw 445nm

I built a low power 445 for under 100 with a flex drive running between 30 and 20 mw. I used a pen host and it runs off 2 AAAs at about 210ma. I can see the dot quite brightly and the beam in a dark room I like it a lot.



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Old 12-20-2010, 06:31 PM #28
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Default Re: 100mw 445nm

I just found a 14500 romisen host in my shed:0
i'll search for a understandable tutorial...
If its easy enough, I'll try make it myself.
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Old 12-20-2010, 06:32 PM #29
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Default Re: 100mw 445nm

Quote:
Originally Posted by gtangel View Post
I just found a 14500 romisen host in my shed:0
i'll search for a understandable tutorial...
If its easy enough, I'll try make it myself.
Good luck if you want I can make you one for a small fee.
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