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Old 06-18-2013, 02:05 PM #1
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Default Lense issue with my Laserbtb 445 1W

Ok so I have had This laser now for over a month but recently it developed a large square artifact in the beam output.


Now correct me if this is wrong but I was told this is caused by the Coatings burning off the lens

I emailed laterbtb asking about it and they told i could atempet to remove the lens and clean/replace it they also said if i break a peace i can order a replacement part. After asking how to access the lens they replied
Quote:
If you do not know how to access the lens,please send the laser back via postal service
after further questioning about removing the shutter peace they replied

Quote:
It's not a simple fix,we use so much glue inside,optics mount, head and body.

remove the CE label,and heat it buy hot wind,then cover it with fabric,to unscrew
it to seperate the head and body,to get the lens.
need not to unscrew the shutter.
My question is is it worth fixing and or has anyone dismantled there laser.
and has anyone else had this problem.
Im wondering if it is possible to remove this front shutter



here is a side view


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532nm 200mW Suwtech Lab laser
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543.5nm .5mW Research Electro-optics Inc Helium Neon
561nm 4.98mW CNI GLP OEM module Review
593.5nm 100mW CNI Lab Dead driver
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632.8nm Melles Griot Bare Tube (05-LHR-004-347)
632.8nm .4mW Spectra Physics 155 HeNe
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Last edited by lazerman121; 06-18-2013 at 02:06 PM.
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Old 06-18-2013, 04:00 PM #2
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Default Re: Lense issue with my Laserbtb 445 1W

I would send it back to laserbtb so they can fix it. It's not worth risking breaking it while trying to fix it
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Old 06-18-2013, 04:31 PM #3
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Default Re: Lense issue with my Laserbtb 445 1W

The artifact is from the diode itself. It is from the reflection of the die on the glass window. No lens can correct the problem.
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Old 06-18-2013, 04:50 PM #4
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Default Re: Lense issue with my Laserbtb 445 1W

Quote:
Originally Posted by Blord View Post
The artifact is from the diode itself. It is from the reflection of the die on the glass window. No lens can correct the problem.
How does this happen ? it was not like this to begin with
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Last edited by lazerman121; 06-18-2013 at 04:52 PM.
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Old 06-18-2013, 09:30 PM #5
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Default Re: Lense issue with my Laserbtb 445 1W

I don't know how it happens. Some new diodes have this artefact already from the beginning. You could decan the diode in order to remove the glass windows but the cure can kill the diode.
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450nm 240mW PL450 C6
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532nm 821mW Skylaser PL532, 133mW Jetlasers Ti-B
589nm 100mW PGL-III-C-589
635nm 70mW Sanyo SenTorch
638nm 175mW Ehgemus, 1W Rook
660nm 1216mW Skylaser PL660, 263mW LPC826 C6
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Old 06-30-2013, 04:26 PM #6
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Default Re: Lense issue with my Laserbtb 445 1W

Quote:
Originally Posted by Blord View Post
I don't know how it happens. Some new diodes have this artefact already from the beginning. You could decan the diode in order to remove the glass windows but the cure can kill the diode.
What would you recommend me doing.

More that likely repairing it would destroy the laser.
Since its not dead i doubt the warranty would cover fixing it.
And paying to have them fix it yikes. O_O
I guess ill just keep it as it is its still a really cool laser.and still at .9 watt
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405nm violet(blue-ray) laser-eBay
441.9nm DIY Build
445nm 80mW NDB7242E DIY build
473nm 10mW LSR473NL series blue laser module www.lasever.com Review
488nm 5mW Novalux Protera DPSS Laboratory Unit Review
515nm 20mW module
532nm 200mW Suwtech Lab laser
532nm 100mW Suwtech Lab laser

543.5nm .5mW Research Electro-optics Inc Helium Neon
561nm 4.98mW CNI GLP OEM module Review
593.5nm 100mW CNI Lab Dead driver
604nm LHOR-0150 2nd line
612nm 2.1mW LHOR-0150
632.8nm Melles Griot Bare Tube (05-LHR-004-347)
632.8nm .4mW Spectra Physics 155 HeNe
Sold
635nm 15mW Module
650nm 5mW red
1 Laservision Style F12.T5H04.5000 (O_O)

IR filters FS
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