Old 03-18-2013, 04:26 PM #1
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Default Making a laser

Hey guys its me again as I psted in my last thread I bought and hde 5mW laser pointer well the beam was surging from high to low power so I decided that it was a junk laser so I took out the diode and everything and was looking on amazon for diodes and came across a 1W I-R laser diode with the same specs as my housing and with a price tag of $25 I almost bought it but I decided to check in with you guys first if I bought the diode and a driver for it would it be possible to find a green crystal for it or blue it doesn't matter to me I just want to be able to see where it's pointing so I don't harm anything or anyone


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Old 03-18-2013, 04:54 PM #2
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Default Re: Making a laser

I would go to DTR and get a diode. There is nothing you will be able to do easily that will let you see the IR beam.
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Old 03-18-2013, 04:56 PM #3
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Default Re: Making a laser

Quote:
Originally Posted by BigDEE View Post
I bought and hde 5mW laser pointer... came across a 1W I-R laser diode with the same specs as my housing
You must have misread something.
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Old 03-18-2013, 11:11 PM #4
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Default Re: Making a laser

Any video camera, digital camera or even phone camera or webcam will allow you to see near IR. Anyway IR laser is not for beginners. It's dangerous, and useless.
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Old 03-19-2013, 12:33 AM #5
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Default Re: Making a laser

Quote:
Originally Posted by BigDEE View Post
Hey guys its me again as I psted in my last thread I bought and hde 5mW laser pointer well the beam was surging from high to low power so I decided that it was a junk laser so I took out the diode and everything and was looking on amazon for diodes and came across a 1W I-R laser diode with the same specs as my housing and with a price tag of $25 I almost bought it but I decided to check in with you guys first if I bought the diode and a driver for it would it be possible to find a green crystal for it or blue it doesn't matter to me I just want to be able to see where it's pointing so I don't harm anything or anyone
There isnt a "green" or "blue" crystal that you can just buy and get the laser you are wanting.... For a green laser, IR passes through two crystals I believe, one to turn the wavelength from 808nm to 1064nm, and another to double the frequency to 532nm. Blue lasers are diode lasers, meaing they are just a diode (like the IR diode you are looking at) that emit 445-450nm straight from them.

For the price of that 1W IR diode, you could buy a 100mw 532nm laser module and be done with it....
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