Old 04-03-2016, 08:56 AM #1
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Default Surprisingly good 450nm 5mW pointer from Aliexpress

Hi, it's been a very long time since i posted on this forum
Now in a middle of war between 5W++ 445-465nm laser, i just want to share a surprisingly "true" 5mW 450nm pointer with a price of ~$19

For some, maybe having a collection of ~5mW pointer of all colors are more preferred than having bunch of monotonic of BIG WATT laser

As for reviewing pointer, i have nothing much to write. It just a pointer with true 450nm actually
Here is the >link<

FYI: At first, i thought this was just a falsely advertised 405nm laser, because the price doesn't match any 445-450nm low power diode out there (or am i missing things? )

Pics: Nice n shiny


End cap: At first, i was not be able to fully insert the end cap, but now i can. Maybe i bent the spring inside because of the force i used.


Beam profile: The beam is about 4*1.5mm with 1mm artifact at one of the end. And yes, as per my eyes, it's clearly 445-450nm laser.


Power graph: As you can see, it's averaged at 6.341mW. The current draw i measured using DMM from 2x AAA 1.5v Battery is about ~80mA



I wonder what kind of diode inside it
As i cannot find a 445-450nm diode at the price below ~$19, i suspected that this pointer using a 450nm die attached directly to the casing, just like those cheap red pointer.
I cannot open the laser either, the case is very sturdy for a mere pointer, and i don't want to disasemble it, even if it just ~$19


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-808nm: ~600mW (~700mW pk) - Rayfoss
-650nm: ~250mW (~190mW pk) - O-like + G2 lens
-635nm: ~200mW (~400mW pk) - Lasetbtb
-532nm: ~800mW (968mW pk) - Jetlasers
-465nm: ~5000mW (~5500mW pk) - Custom Self Designed Host + NUBM07E Diode + G2 Lens
-447nm: ~3500mW (~3700mW pk) - Cypreus IIIb Host + 9mm 450nm Diode + G2 Lens
-447nm: ~1400mW (~1500mW pk) - Dragonlasers Host + M140 Diode + 3 Elements Lens
-405nm: ~500mW (~700mW pk) - Sanwu Challenger + G2 Lens

Laser Power Meter:
-Hyperion Aurum
-Hyperion Argentum
-Hyperion Cuprum
-LaserBee II OEM

Reference Sensor:
-Ophir L30A-19mm-BNC
-Ophir 150C-A-.2-FLASH
-Ophir 150C-A-.1-AX
-Ophir 20C-A-1-Y

Last edited by astralist; 04-03-2016 at 09:07 AM. Reason: typo
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Old 04-03-2016, 09:04 AM #2
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Default Re: Surprisingly good 450nm 5mW pointer from Aliexpress

No idea what kind of diode that is but I agree it doesn't look at all like a 405nm. I think you meant 80mW and not mW for current draw it is a nice clean looking pen. What kind of LPM are you using? That's a really nice looking graph.
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Old 04-03-2016, 09:11 AM #3
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Default Re: Surprisingly good 450nm 5mW pointer from Aliexpress

Quote:
Originally Posted by Pman View Post
No idea what kind of diode that is but I agree it doesn't look at all like a 405nm. I think you meant 80mW and not mW for current draw it is a nice clean looking pen. What kind of LPM are you using? That's a really nice looking graph.
I think you just did typo like myself
well actually i've an urge to break the laser, but later when i order another one

That graph is from my own designed LPM, i'll post a thread about it later as i (maybe) want to sell it here, later
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My collections:
-808nm: ~600mW (~700mW pk) - Rayfoss
-650nm: ~250mW (~190mW pk) - O-like + G2 lens
-635nm: ~200mW (~400mW pk) - Lasetbtb
-532nm: ~800mW (968mW pk) - Jetlasers
-465nm: ~5000mW (~5500mW pk) - Custom Self Designed Host + NUBM07E Diode + G2 Lens
-447nm: ~3500mW (~3700mW pk) - Cypreus IIIb Host + 9mm 450nm Diode + G2 Lens
-447nm: ~1400mW (~1500mW pk) - Dragonlasers Host + M140 Diode + 3 Elements Lens
-405nm: ~500mW (~700mW pk) - Sanwu Challenger + G2 Lens

Laser Power Meter:
-Hyperion Aurum
-Hyperion Argentum
-Hyperion Cuprum
-LaserBee II OEM

Reference Sensor:
-Ophir L30A-19mm-BNC
-Ophir 150C-A-.2-FLASH
-Ophir 150C-A-.1-AX
-Ophir 20C-A-1-Y

Last edited by astralist; 04-03-2016 at 09:18 AM.
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Old 04-09-2016, 10:05 AM #4
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Default Re: Surprisingly good 450nm 5mW pointer from Aliexpress

This is a very good deal. IMO 450nm is definitely look better than 405nm
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Old 04-11-2016, 07:46 AM #5
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Default Re: Surprisingly good 450nm 5mW pointer from Aliexpress

Just as an FYI for anybody wondering: http://laserpointerforums.com/f40/la...ved-96279.html

Tendkilla254 broke into one, and it does seem to have a normal diode package in it.
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Old 04-11-2016, 11:40 AM #6
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Default Re: Surprisingly good 450nm 5mW pointer from Aliexpress

Nice info. But still, he doesn't have pics of the diode facing front. i did ask him though.
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My collections:
-808nm: ~600mW (~700mW pk) - Rayfoss
-650nm: ~250mW (~190mW pk) - O-like + G2 lens
-635nm: ~200mW (~400mW pk) - Lasetbtb
-532nm: ~800mW (968mW pk) - Jetlasers
-465nm: ~5000mW (~5500mW pk) - Custom Self Designed Host + NUBM07E Diode + G2 Lens
-447nm: ~3500mW (~3700mW pk) - Cypreus IIIb Host + 9mm 450nm Diode + G2 Lens
-447nm: ~1400mW (~1500mW pk) - Dragonlasers Host + M140 Diode + 3 Elements Lens
-405nm: ~500mW (~700mW pk) - Sanwu Challenger + G2 Lens

Laser Power Meter:
-Hyperion Aurum
-Hyperion Argentum
-Hyperion Cuprum
-LaserBee II OEM

Reference Sensor:
-Ophir L30A-19mm-BNC
-Ophir 150C-A-.2-FLASH
-Ophir 150C-A-.1-AX
-Ophir 20C-A-1-Y

Last edited by astralist; 04-11-2016 at 11:41 AM.
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Old 04-15-2016, 06:23 PM #7
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Default Re: Surprisingly good 450nm 5mW pointer from Aliexpress

Quote:
Originally Posted by astralist View Post
Nice info. But still, he doesn't have pics of the diode facing front. i did ask him though.
Sorry I've been gone a while. Newborn baby and all. I will as soon as I can. It's a normal 3.8mm diode. I didn't remove the diode from the module. There isn't much to see from the front. It's a diode in a can.
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