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Old 02-06-2008, 03:41 AM #177
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Default Re: im using LG 20x DVD burner diode, please help!

about my open can diode i ran it in 415mA but i dont how much output it gives, for now i cant afford the laser power meter, cuz my piggy bank breaks apart :-/after i bought all the tools and things may help to make this laser projects, and thanks for the advice on the goggles, dont worry i use sun shade into it. ;D


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Old 02-06-2008, 03:50 AM #178
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Default Re: im using LG 20x DVD burner diode, please help!

Post a vid of the farthest distance you're able to light a match with it. You might beat jayrob's 20 feet. ;D
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Old 02-06-2008, 03:55 AM #179
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Default Re: im using LG 20x DVD burner diode, please help!

ok, i hope i can do it with only heatsink without a TEC, its very hard to focus the beam, im only using acrylic lens, what should i do with this, do i need to use goggles to get the right focus of my laser? it was so bright its hard to see of the focus was fine... any suggestion chido?
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Old 02-06-2008, 04:02 AM #180
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Default Re: im using LG 20x DVD burner diode, please help!

Acrylic lens is the best for burning since you can focus the beam down to a little dot. With glass you get a higher output, but it sucks at burning.
Get some goggles, check the links I posted on the last page:
http://www.laserpointerforums.com/fo...137393/150#161
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Old 02-06-2008, 04:15 AM #181
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Default Re: im using LG 20x DVD burner diode, please help!

Quote:
Originally Posted by chido
Acrylic lens is the best for burning since you can focus the beam down to a little dot. With glass you get a higher output, but it sucks at burning.
Get some goggles, check the links I posted on the last page:
http://www.laserpointerforums.com/fo...137393/150#161
I need to jump in with a slight correction...a glass lens does not suck at burning... ;D There does not seem to be a huge difference to me using a glass lens close up, however for distance I believe the acrylic lens is a better burner but not by much.
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Old 02-06-2008, 04:17 AM #182
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Default Re: im using LG 20x DVD burner diode, please help!

ok Chido and Gazoo will do... ;D
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Old 02-06-2008, 04:27 AM #183
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Default Re: im using LG 20x DVD burner diode, please help!

Ok, sorry I guess I need to do more research before giving advice, I saw a post from jayrob and he said the glass lens couldn't focus down to a small dot, and therefore the acrylic was a better burner. I thought that was correct since he's been messing around with open cans and both lenses. :-[
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Old 02-06-2008, 04:36 AM #184
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Default Re: im using LG 20x DVD burner diode, please help!

its ok chido its not a big deal, maybe i will research also for that matter
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Old 02-06-2008, 04:52 AM #185
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Default Re: im using LG 20x DVD burner diode, please help!

Quote:
Originally Posted by chido
Ok, sorry I guess I need to do more research before giving advice, I saw a post from jayrob and he said the glass lens couldn't focus down to a small dot, and therefore the acrylic was a better burner. I thought that was correct since he's been messing around with open cans and both lenses. :-[
And so have I..I have the same modules and lenses as he does..but I don't think he would ever say the glass lens sucks at burning...lol. Much of this are subjective opinions, and even a tiny difference between the same lenses could have an effect. Jay thinks his aixiz acrylic lens is a better burner than his meredith acrylic lens, and I think differently...I believe my meredith acrlic lens is better.
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Old 02-06-2008, 05:05 AM #186
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Default Re: im using LG 20x DVD burner diode, please help!

OK OK NOW GET OFF MY BACK!!!! ;D joke
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Old 02-06-2008, 05:08 AM #187
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Default Re: im using LG 20x DVD burner diode, please help!

you guys are so funny this time, you make me laugh ;D
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Old 02-06-2008, 05:13 AM #188
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Default Re: im using LG 20x DVD burner diode, please help!

adgmeijin, are you putting into your IR in excess of 200mA? im crossing my prongs it lives long enough!
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Old 02-06-2008, 05:20 AM #189
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Default Re: im using LG 20x DVD burner diode, please help!

I am working on a MXDL with an open can. I tested it and it is putting out 287.2 mw's.. ;D This is using a glass lens. I am using a 3 ohm resistor with the 317. Gotta love those open cans.. ;D

Oh, and I will not say what I have crossed hoping it lasts a long time... ;D
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Old 02-06-2008, 05:28 AM #190
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Default Re: im using LG 20x DVD burner diode, please help!

Quote:
And so have I..I have the same modules and lenses as he does..but I don't think he would ever say the glass lens sucks at burning...lol. Much of this are subjective opinions, and even a tiny difference between the same lenses could have an effect. *Jay thinks his aixiz acrylic lens is a better burner than his meredith acrylic lens, and I think differently...I believe my meredith acrlic lens is better.
Just to add another 2 cents...I have two different Meredith acrylic lenses, and the difference between them is noticeable. One is definitely not as good of a burner as the AixiZ acrylic, but the other is just as good. Possibly more testing might reveal that Gazoo is right! I have come to know, that he usually is! What he is saying about the glass lenses is correct. I haven't experienced any noticeable differences in the AixiZ acrylic lenses...
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Old 02-06-2008, 05:35 AM #191
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Default Re: im using LG 20x DVD burner diode, please help!

Quote:
Originally Posted by Gazoo
I am working on a MXDL with an open can. I tested it and it is putting out 287.2 mw's.. ;D This is using a glass lens. I am using a 3 ohm resistor with the 317. Gotta love those open cans.. ;D

Oh, and I will not say what I have crossed hoping it lasts a long time... ;D
Good news with that MXDL Gazoo! I'm pretty sure your open can diode is very happy in it's new home. If you haven't already read/obtained some, these little silicone tailcaps make great lens caps to protect from dust:
http://www.dealextreme.com/details.dx/sku.5742
Just cut the little center nub off (inside). They fit both AixiZ modules (if you have the metal focus grip on the lens), as well as Meredith...
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im using LG 20x DVD burner diode, please help!-tailcap_lens_cover.jpg  
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(just a few - too many to list) RPL 425, Sypder III Krypton, RPL 35 (473), GLP-473, GLP-593.5, HeNe 632.8,
Many DIY 445, red, blu-ray, green, 635, and 450 builds...


Looking for a DIY kit?


Take a look at some of my more popular kits linked in color...

* FS: 405-G-1 Glass Lens Mod for Blu-ray! 31% increase in power vs AixiZ acrylic!

* FS: New! 1000 Lumen XML-2 Maglite Modification With Voltage Monitor! - Parts or Complete Light! Must see!

* FS: Polished Stainless Steel Green Kit! Easy assembly in minutes!

* FS: Large Maglite Monster Kits! Side Button Forward Clicky! Custom Head Option! Gnarly...


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Old 02-06-2008, 05:40 AM #192
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Default Re: im using LG 20x DVD burner diode, please help!

Excellent tip on a lens cover Jay. I will be ordering a couple more MXDL's and will definitely get a pack of them. Thanks.
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