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Old 08-24-2007, 08:49 PM #17
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Default Re: Umd Laser

sorry for the double post but can you make a burning laser from a cd rw or dvd rom drive?


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Old 08-24-2007, 09:12 PM #18
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Default Re: Umd Laser

Yes you can --- It should be at least a 16x DVD r/w drive.
You buy it, tear it apart and carefully harvest the red diode (save the IR diode for another day ) Harvesting the diode takes time ---

HEY - Why not get a red LD from the group buy ??? It's cheaper and no hassle getting the diode out !!!

Seriously, Unless you have a trashed DVD machine, the GB is your best bet.
I've pushed one of mine to 300 mW using TEC cooling.

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Old 08-24-2007, 09:33 PM #19
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Default Re: Umd Laser

but could you make a burner from a dvd rom drive ive found one on ebay for 3.00 delivered also do you really need resistors and things to make the laser and do you really need a heat sink? im trying to use as little things as possible and i havent really done projects as complex as this before
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Old 08-24-2007, 10:14 PM #20
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Default Re: Umd Laser

Quote:
Originally Posted by III_REAPER_III
but could you make a burner from a dvd rom drive ive found one on ebay for 3.00 delivered also do you really need resistors and things to make the laser and do you really need a heat sink? im trying to use as little things as possible and i havent really done projects as complex as this before
It needs to be a dvd burner at least 16x rewritable to be worth it, at the price you mentioned I'm pretty sure it doesn't really fit in these requirements.
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Old 08-24-2007, 10:22 PM #21
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Default Re: Umd Laser

alright il probably invest in a gb diode then thanks for the help anyway
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Old 08-25-2007, 05:29 AM #22
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Default Re: Umd Laser

REAPER *--
PLEASE READ WHAT WE SAY --- *IT HAS TO BE A DVD WRITER DRIVE TO HAVE THE POWER TO BURN. *THis has to be about the 5th time it's been said to you here not to mention elswhere. *It takes power to burn a disk or anything else.

Before you buy a GB diode -- *Be sure to read all the postings on how to build the laser, module and power supply -- Then read them all again and again. * YES -You NEED resistors, capacitor, module, heatsink etc as repeated over and over on this forum. YES you NEED all that stuff -- Please read what we say.

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Old 08-25-2007, 01:20 PM #23
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Default Re: Umd Laser

ok then i now understand completey and thanks for being so patient with me
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