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Old 01-26-2014, 09:36 PM #1
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Default Having a real issue, I need some ideas

This was my first sad attempt at building a laser. i now think it would have been more worth while to flush the money down the toilet

So I purchased two hosts (msv4) off of a member on LPF.

I bought 1 405nm with microboost from dtr as well as a 638nm with flex drive, with leads and all attached.

I first attempted the 405 which i first had a tough time fitting in the module (press fit) and I mashed up the module so the lens will no longer fit. So after I fix all of that and I attach the contact board, I pop in a brand new fully charged battery. I become pleasantly surprised that it turns right on without issue. Used it multiple times that night. Fast forward to the following morning (today) I push in the click to turn it on and NOTHiNG. So I twist off the tail cap and instantly get burnt by the spring on the cap which is very warm, but surprisingly the battery wasn't that hot. Emanating from the laser is a burning electronic smell. So I'm thinking the driver is done for?

For the 638nm is a very similar story. Except for this one it never worked at all, I have it all hooked up, I put in a new battery and all that happens is a not very loud but high pitch sound(the driver again?) and the same exact smell as the other. If I clicked it again it would make that same sound. So obviously I knew to leave it alone and I imagined it was done for.

So could I replace the drivers and get them working again? But if its the driver then what is with the tail cap spring problem? That doesn't seem right to me..

Here's a couple pictures.








I didn't have a lot of time to proof read this and I'm on my phone so sorry for any spelling errors. Any input would be absolutely appreciated because I don't no where to begin.

-Matt


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<10mw 405nm cheapy pen
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Old 01-26-2014, 10:53 PM #2
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Default Re: Having a real issue, I need some ideas

Check your continuity to start off with.

Sounds like a short, smells like a short. Probably is one.
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325nm: Omni 2056-M-A01 HeCd
375nm: Melles Griot RCS-007

405nm: Melles Griot RCS
430nm: Coherent D3 430-10
441.6nm: Omnichrome 2056-M-A01/4074-P-A03 HeCd laser
457.9nm: Argon Ion Line

472nm Omni-643RYB Whitelight Line
473nm: CNI MGL-473-100, CNI GLP-473
476.5nm: Argon Ion Line

483nm Omni-643RYB Whitelight Line
488nm: Argon Ion Line, Spectra Physics >20mW Cyan DECSL Laser, Coherent Sapphire 488-20 OPSL

496.5nm: Argon Ion Line
501.7: Argon Ion Line
514.5nm: Argon Ion Line
520nm: Trustfire A8 Custom

532nm: CNI MGL-F-3W, Coherent Genesis MX Taipan OPSL, LG Hercules-325
543.5nm: 05-LGR-193 Melles Griot HeNe 3.8mW
Melles Griot LGB-563 HeNe

561nm: Melles Griot 85-YCA-015, Coherent Sapphire 561-20
568nm: Omni-643RYB Whitelight Line

577nm: Coherent Genesis MX Taipan OPSL
583.8nm: DPSS line
586.2nm: DPSS line
588.6nm: CNI PGL-M-80

591nm: DPSS line
593.5nm CNI MGL-H-50 Lab Laser
594.1nm: Coherent 31-2230-000 (4.5mW)

604.6nm: LOR-150 HeNe line
609nm: Raman HeNe line?
611.8nm: Melles Griot LOR-150 HeNe (5mW), LOR-006 HeNe (0.5mW)

632.8nm: Spectra Physics Model-127 (>35mW), Model-124B, Model-120, Model-117, others
Melles Griot LHB-580, LHB-190, WHR-570

641nm: Melles Griot RCS
647nm: Omni-643RYB Whitelight Line
659.6nm: Laser Quantum IGNIS DPSS laser 0.5W

671nm: CNI PGL-III-C-100
676nm: Omni-643RYB Whitelight Line
690nm: custom diode laser
694nm: Portable Q-switched Ruby Laser

1152.6nm: SP-120 HeNe alt. mirrors
1523.5nm: Melles Griot LIR-151 HeNe
3391nm: SP-124 alt. mirrors
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Old 01-26-2014, 11:37 PM #3
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Default Re: Having a real issue, I need some ideas

Yep if the spring got burning hot you have a short. It is the weakest link and would overheat first with a short. Those AW cells are capable of pumping a lot of amps when shorted. If that is the case a short before the driver should not have hurt it. Resolve your short and it may just fire right up.
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