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Old 04-10-2011, 02:09 AM #1
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Default i don't know what diode or if usable...

i was at the trade show today and i picked up an hp cd burner from 2000. i opened it up and found where the diode is. i want to use it as is and use the lenses already in it... but what color laser will it be, what strength, how much power do i use, and is it not even worth it?

answer some or all.


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Old 04-10-2011, 02:14 AM #2
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Default Re: i don't know what diode or if usable...

CD burners are IR, and a waste of time. You could use it for practicing harvesting, other than that its a boat anchor.
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Old 04-10-2011, 02:16 AM #3
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Default Re: i don't know what diode or if usable...

so even if i just hooked it up to some batteries for 5 minutes of fun it would still be a waste of time?
would that be unreasonably dangerous considering i don't have any laser goggles yet?

are there any alternatives to store bought protection?

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Old 04-10-2011, 02:39 AM #4
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Default Re: i don't know what diode or if usable...

Even ( watever the power of maybe 50 mW of IR ) it's still dangerous.
But you probably are going to fry the diode in less then 5 min.



Get a dvd burner hook the diode on a LM317 100-200 mA and you got a nice red laser
and it's even a visible beam

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Old 04-10-2011, 02:42 AM #5
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Default Re: i don't know what diode or if usable...

ok... what is a good place to get a dvd burner at? i don't wanna send credit card info to china and i am under the impression a 24x burner won't work. i also need saftey goggles...i need help with this...
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Old 04-10-2011, 02:59 AM #6
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Default Re: i don't know what diode or if usable...

A 20 speed dvd burner or a 24 speed will do fine.
Do you have Experience with lasers ???
Do you Own a laser?
And yes if you start working-playing with lasers you should get laser safety goggles.
You can get a dvd burner @ the local Computer Store or click http://www.modwerx.com/shop/laser-co...krkjq8el786ar1 click Order it from that site + a Aixiz module

Last edited by weeba2kv; 04-10-2011 at 03:09 AM.
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Old 04-10-2011, 03:09 AM #7
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Default Re: i don't know what diode or if usable...

Quote:
Originally Posted by weeba2kv View Post
A 20 speed dvd burner or a 24 speed will do fine.
Do you have Experience with lasers ???
Do you Own a laser?
And yes if you start working-playing with lasers you should get laser safety goggles.
You can get a dvd burner @ the local Computer Store.
i don't know why but that sounded kind of mean...
1. no, this will be my first build.
2. no, unless little dollar store pointers count.
what goggles do you recommend for use with red lasers?

...my computer store is expensive....
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Old 04-10-2011, 03:17 AM #8
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Default Re: i don't know what diode or if usable...

Well i don't mean to be MEAN but lasers are verry dangerous for the eyes , beginners must be carefull.
I started with 2 mW then 5 mW then 50 so on...
The laser from a dvd burner is already like 200mW and i understand you want to build 1 yourself.

For red laser goggles you need OD+5 goggles
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Old 04-10-2011, 03:22 AM #9
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Default Re: i don't know what diode or if usable...

i don't mean to ask so many questions... but where is a good place to get those?
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Old 04-10-2011, 03:24 AM #10
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Default Re: i don't know what diode or if usable...

From an online store sugh as www.o-like.com
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Old 04-10-2011, 03:26 AM #11
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Default Re: i don't know what diode or if usable...

thanks
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Old 04-10-2011, 03:28 AM #12
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Default Re: i don't know what diode or if usable...

If you think you can get up and running without using your credit card online, you're pretty much out of luck. At some point you're going to need to order something that you can't source locally. It's pretty much impossible to avoid that.
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SAFETY & IMPORTANT READING (threads authored and contributed to by various members of LPF):
- Federal Aviation Administration - Laser Safety Initiative (link)
- Info release from Laserglow - Default Canadian restrictions on portable lasers (link)
- The Necessity of Safety Goggles (link)

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Old 04-10-2011, 03:34 AM #13
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Default Re: i don't know what diode or if usable...

i've given up on that. as long as the company is US based i think i can trust them.

about the goggles... does color matter?
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Old 04-10-2011, 03:38 AM #14
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Default Re: i don't know what diode or if usable...

Red laser goggles are sold as red laser goggles and the color of the "glasses" are blue.

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Old 04-10-2011, 03:38 AM #15
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Default Re: i don't know what diode or if usable...

yes ...
green or blue colored glasses are for red lasers
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Old 04-10-2011, 03:40 AM #16
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Default Re: i don't know what diode or if usable...

thanks. i thought i knew but just wanted to be sure...
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