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Old 05-15-2013, 05:40 PM #1
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Default 300mW 808nm laser diode

Hello everyone,

I recently bought the common "808nm 300mW High Power Burning Infrared Laser Diode Lab" from here. Since i'm new to lasers (Excluding the precautions I'm well aware of) I was wondering how I would drive the laser. My second question is once the laser is on, will it show a purple dot due to the UV? Or will it just be completely invisible? I'm hoping to at least burn something with this since it's the aim of my project.

Thanks!


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Old 05-15-2013, 05:48 PM #2
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Default Re: 300mW 808nm laser diode

808nm will be ir. Not uv. You will need a set of safety glasses first before operating the laser.
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Old 05-15-2013, 06:16 PM #3
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Default Re: 300mW 808nm laser diode

Ah ok, so would the target just be appearing to burn?
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Old 05-15-2013, 06:25 PM #4
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Default Re: 300mW 808nm laser diode

Well IR is very dangerous without proper safety glasses. If you look at it without glasses it will appear as a faint red light BUT the real danger is the light you cant see. So first step is glasses rated at the wavelength you're using.
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405nm Lazerer Polished Rifle 688mW
445nm Kryton Groove 1.6W~Sinner 3.3W
450nm Guidesman 1.2W
457.9nm ML Argon
473nm PL-E Pro 15mW
476.5nm ML Argon
488nm Uniphase Multi-Line Argon 48mW/73mW in current control;
496.5nm ML Argon
501.7nm ML Argon
514.5nm ML Argon
532nm SkyRay King Gre3n 35mW/60mW/70mW~Phobos Fasttech 70mW~Optotronics RPL-500 450mW~JetLasers Ti B 170mW
543.5nm Bare tube HeNe ~3mW (Nightstand lamp)
632.8nm Bare tube HeNe ~3mW~Bare tube HeNe Multimode 12mW (Desk Lamp)
638nm Mrcrouse Custom 650mW
658nm wannaburnstuff baby shower gift? 127mW
808nm Coherent CCP 10W

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"The right man in the wrong place can make all the difference in the world."
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Old 05-15-2013, 06:35 PM #5
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Default Re: 300mW 808nm laser diode

Ah, I saw that. I wear the glasses but wasn't sure how I know it would be working. Do I have to focus the wave through a lens or should it just burn?
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