Powerful laser from an old DVD

Electronics / DIY electronics 117 602 8

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Comments (8)

#1 purgen2013 Guests November 25, 2011 20:03
0

Old topic!
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#2 Roma Guests December 25, 2012 22:03
1

Can you get the diode separately from a junk dealer? It’s just a shame to spoil a good disk drive on your computer, and a new one costs 1000 rubles, which is a bit expensive for such a trinket...
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#3 Roma Guests December 25, 2012 22:12
2

And as I understand it, the diode needs to be turned + - instead of a flashlight bulb? :winked:
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1. #4 Smit Guests February 18, 2020 00:16
  0
  
  Well, if you understand, then you won’t wake up to work.
  
  Answer
#5 Scorpion Guests 4 March 2013 18:38
2

Great stuff 5!
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#6 cop5 Guests 25 January 2014 16:25
1

looks like a laser pointer but it's different and better
- Answer
#7 passed by Guests 10 May 2014 12:52
1

A diode CANNOT be plugged in stupidly instead of a light bulb - it will burn out quickly. You definitely need a “driver” (for example, a simple circuit with one transistor or at least a resistor connected in series with the laser diode). Combo cd/dvd devices have 2 diodes separately for cd and dvd, both of which can be used for these purposes. You also need a lens to focus the beam, otherwise you’ll just end up with a “flashlight”
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#8 Alex Guests 2 November 2017 20:49
4

The article is “empty”, but I suspect that it doesn’t contain the main thing - apart from the driver you need to take not just any diode - it won’t work from a CD, only from a DVD, and there are also tricks when soldering.
And in general, even a reflected ray can permanently damage your vision. So I don’t recommend it without special ones. safety glasses (designed for the correct wavelength...
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