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aliencam
Wicked Lasers Master
Joined: 03 Nov 2006
Posts: 769
Picture(s): 89
Movie(s): 6
Location: Tempe, AZ
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 Posted: 12/27/06, 11:52 PM Post subject: CD Burners |
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does anyone know the strength and wavelength of the lasers used in CD players and burners? because i have been making lasers out of these diodes and have no way to test what they are. the CD lasers i do not have a lens for so i have not tried burning, but "nightshot" mode on my camcorder does pick it up and it looks plenty bright...
if anyone is trying to learn a new skill, try building a laser without using your eyes, but by using a camcorder on a tripod 10 inches away from you, facing you, in total darkness, with the screen flipped around in "nightshot" mode. (i did it in darkness so the camcorder would better pick up the IR light and i could see it before i fried myself in the eyes.) |
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Vic
Wicked Lasers God
Joined: 30 Oct 2006
Posts: 2006
Picture(s): 66
Movie(s): 3
Location: United States, CA, Los Angeles
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pseudonomen137
Wicked Lasers God
Joined: 17 Mar 2006
Posts: 3680
Picture(s): 1
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| Posted: 12/28/06, 12:44 AM Post subject: |
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| If it's a burner diode I'd expect anywhere in the 50-200mW range for CW, but that's just a guess. |
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aliencam
Wicked Lasers Master
Joined: 03 Nov 2006
Posts: 769
Picture(s): 89
Movie(s): 6
Location: Tempe, AZ
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| Posted: 12/28/06, 12:47 AM Post subject: |
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the Burner had a very weak red (one that you couldn't even see the dot in full light) but the reader and the burner also had another diode that was IR. I was wondering about those.
thanks for the estimated strengths  |
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Soccersteve153
Elite Laser
Joined: 26 Jan 2006
Posts: 130
Location: Ct
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| Posted: 1/06/07, 2:02 PM Post subject: |
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| a cd burner is no way going to give you up to 200mw of power. 100mw is more likely depending on the speed, 8x 16x 18x the higher the speed the faster the disc moves and therefore the more power the laser needs ot have to burn the disc becuase the disc moves faster on a dvd burner the diode is much higher than a cd burner stephanie has one that peaks 240mw avg 200mw and on a cd player <5mw definately and its ir |
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FuSion
Wicked Lasers Master
Joined: 31 Oct 2006
Posts: 702
Picture(s): 121
Movie(s): 2
Location: UK
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| Posted: 1/06/07, 2:23 PM Post subject: |
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Soccersteve153@hotmail.co, do you realise how annoying your name is? Get an admin to change it.
~FuSion
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Soccersteve153
Elite Laser
Joined: 26 Jan 2006
Posts: 130
Location: Ct
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| Posted: 1/06/07, 2:53 PM Post subject: |
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| haha i agree with you how would i get an admin to change it should i just pm them |
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packerscjg
Fusion Laser
Joined: 12 Dec 2006
Posts: 251
Location: Brookfield, CT
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| Posted: 1/09/07, 9:56 PM Post subject: |
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Well players won't give you nearly the amount of power a burner will. A burner has to actually burn the cd so itis naturally a stronger laser. A DVD burner will be around 100mW if done carefully and correctly. A cd player at 18x like soccersteve said should give you about 75mW-100mW if you are lucky. Remember just like lasers these diodes also have distinct personality's and based upon these it will determine the strength of your laser.  |
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aliencam
Wicked Lasers Master
Joined: 03 Nov 2006
Posts: 769
Picture(s): 89
Movie(s): 6
Location: Tempe, AZ
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| Posted: 1/10/07, 12:42 AM Post subject: |
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oh wow, i didn't think the cd player would be that strong, i was thinking around like 10 mW from what i've learned playing with it... did you mean cd-burner or cd-player?
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