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Old 01-01-2011, 08:38 PM #1
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Default New to lasers, my laser is not working!

Alright so my wife got me a laser for Christmas and I was using it it stopped working. I tried different batteries and I tried to press the button harder, etc and nothing worked. I ended up taking it apart and putting it back together to check everyting. It still doesn't work but it looks like you can just change the diode and the circuit board in there (driver?)

I am still trying to figure out all the parts of this. Also the crystal came off and I was trying to figure out the best way to re attach it before buying a new laser setup. This is a pen type laser and it has a laser set up that looks like this posts lasers without the end part screwed onto them

100mW Green Modules + Crystals $26

What do you all think?


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Old 01-01-2011, 09:12 PM #2
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Default Re: New to lasers, my laser is not working!

You could *probably* change out the whole module, meaning the whole deal there, the brass cylinder+board. But be careful disassembling, as you could end up cracking off one of the segments that holds part of the DPSS crystal structure -- they're usually glued together in those pointers.

Really though for $26 you could probably get a new pointer alltogether, but if you just want to do it for the experience if the module looks the same size you could probably go ahead and do it.

Remember that 100mW is enough to damage your eyes, though. The one you had was probably not as powerful.
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3392nm:REO LHIP HeNe 2mW ∙ 980nm:OLIKE 155mW

808nm:OLIKE 200mW ∙ JETL PLC 600mW(682pk)
780nm:OLIKE 120mW
685nm:18650 47mW
671nm:PGL3M 281mW DPSS ∙ PGL3C 278mW
655nm:LOC 254mW ∙ OLIKE 221mW ∙ Yob 320mW
638nm:Sanyo 40mW ∙ HL63133 200mW ∙ PGL3C 463mWpk ∙ ML520 700mW
633nm:JDS1145 HeNe 28mW ∙ JDS1145 HeNe 26mW
612nm:MG 05LOR151 HeNe 3mW ∙ REO LSTP 3mW
609nm:REO LHOR 1mW
604nm:REO LSTP 2mW
594nm:Rigel 3mW ∙ LG PGL3C 15mWpk ∙ Lasos 7512 3mW ∙ CNI MGL3 58mWpk
589nm:CNI PGL3C 106mW ∙ CNI PGL3C 85mW
561nm:CNI PGL3C 30mW(41pk)
556nm:CNI PGL3C 20mW(22pk)
544nm:JDS1675P HeNe 2mW ∙ REO LHGR 2mW ∙ Lasos 7786 2mW
532nm:PGL3C 150mW(180pk) ∙ PGL3C 578mWpk ∙ PLC 440mWpk
515nm:JDS 221420GL ArI 30mW
510nm:52mW DG#2 ∙ 50mW 26650 DG
488nm:Nlx DPSS 7mW ∙ JDS 2214 ArI 40mW ∙ JDS FCD488 DPSS 25mW
ML:MG 65A106025 ArI ML 115mW
476/480nm:Nichia Diode 28mW
473nm:PGL3A 45mW(80pk) ∙ PGL3C 110mWpk ∙ PGL3C 95mWpk ∙ RPLB-25 60mWpk
465nm:DTR NDB7676 2.03w
458nm:JDS 2214VL ArI 8mW ∙ JDS 2214VL ArI 12mW ∙ RHD Diode 1.7W
452nm:Osram SM 47mW
445nm:Yob 1410mW ∙ Polaris 156mW ∙ PGL3C 1200mW ∙ DTR-EHG 32650 2136mW
405nm:Yob 630mW ∙ Qfox 750mW ∙ JETL PLC 780mW
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Old 01-01-2011, 09:22 PM #3
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Default Re: New to lasers, my laser is not working!

The one I have says its 100mw but I am guessing its nowhere near 100mw. It didn't ever light matches or anything. I could sort of see the beam in a room during the day and at night you could see the beam clearly.

I was looking at getting a whole new pointer but I want one around 50-100mw and it to actually be what its rated at. I was looking at

Optotronics Product Details

or something like that but if I could spend less that would be even better. I just want something where I can see the beam during the day and clearly at night, also something that will last and is the size of a pen.

Thanks for the help!
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Old 01-01-2011, 09:53 PM #4
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Default Re: New to lasers, my laser is not working!

Optotronics is a good place to look. Jack, the owner, is a member of this forum, they've got a stellar reputation, and I'm hopefully soon going to be getting an RPLB from him. (Though I think he's been away for the holiday...)

So yes, I'd go ahead with that. Just at 100mW be sure to be careful.. Eye protection would probably be in order, too, if you're going to do burning and stuff like that.
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3392nm:REO LHIP HeNe 2mW ∙ 980nm:OLIKE 155mW

808nm:OLIKE 200mW ∙ JETL PLC 600mW(682pk)
780nm:OLIKE 120mW
685nm:18650 47mW
671nm:PGL3M 281mW DPSS ∙ PGL3C 278mW
655nm:LOC 254mW ∙ OLIKE 221mW ∙ Yob 320mW
638nm:Sanyo 40mW ∙ HL63133 200mW ∙ PGL3C 463mWpk ∙ ML520 700mW
633nm:JDS1145 HeNe 28mW ∙ JDS1145 HeNe 26mW
612nm:MG 05LOR151 HeNe 3mW ∙ REO LSTP 3mW
609nm:REO LHOR 1mW
604nm:REO LSTP 2mW
594nm:Rigel 3mW ∙ LG PGL3C 15mWpk ∙ Lasos 7512 3mW ∙ CNI MGL3 58mWpk
589nm:CNI PGL3C 106mW ∙ CNI PGL3C 85mW
561nm:CNI PGL3C 30mW(41pk)
556nm:CNI PGL3C 20mW(22pk)
544nm:JDS1675P HeNe 2mW ∙ REO LHGR 2mW ∙ Lasos 7786 2mW
532nm:PGL3C 150mW(180pk) ∙ PGL3C 578mWpk ∙ PLC 440mWpk
515nm:JDS 221420GL ArI 30mW
510nm:52mW DG#2 ∙ 50mW 26650 DG
488nm:Nlx DPSS 7mW ∙ JDS 2214 ArI 40mW ∙ JDS FCD488 DPSS 25mW
ML:MG 65A106025 ArI ML 115mW
476/480nm:Nichia Diode 28mW
473nm:PGL3A 45mW(80pk) ∙ PGL3C 110mWpk ∙ PGL3C 95mWpk ∙ RPLB-25 60mWpk
465nm:DTR NDB7676 2.03w
458nm:JDS 2214VL ArI 8mW ∙ JDS 2214VL ArI 12mW ∙ RHD Diode 1.7W
452nm:Osram SM 47mW
445nm:Yob 1410mW ∙ Polaris 156mW ∙ PGL3C 1200mW ∙ DTR-EHG 32650 2136mW
405nm:Yob 630mW ∙ Qfox 750mW ∙ JETL PLC 780mW
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Old 01-01-2011, 09:57 PM #5
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Default Re: New to lasers, my laser is not working!

I was actually trying to figure that out. If I am just shining it inside and random things and using it outside at night do you need eye protection? Do you usually just need it if you are going to be staring at the beam for a long time or if you are going to play with mirrors?

I wasn't sure of that. I'm not really interested in burning anything I just want it use outdoors mostly and some indoors.

If I don't want to burn anything but I want the beam really bright which power should I get?
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