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Old 03-14-2012, 01:10 PM #1
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Default 660nm 300-350mw CW Re Laser Diode DIY

Hello,

I'm little new to lasers, I made few mistakes, so now I don't want to do them anymore. So I want to make red burning laser, I have LD driver with LM317. I want to buy 660nm 300-350mw CW Re Laser Diode DIY/Lab//TO18 5.6mm | eBay this laser diode, but will this laser burn things without additional items? I had strange open LD which needed focusing, because it shined like LED and I don't want to get the same.



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Old 03-14-2012, 01:31 PM #2
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

ALL laser diodes need focusing if you want to burn stuff, at least at low mW like the one you have choosen. You cannot take a unfocused 300mW laser and burn with it, no matter what! Whats your grudge about when it comes to focusing a laser?! Buy the diode, throw it in a focusable Aixiz module with a 3 element glass lens and your laser will burn just fine. If you want to light stuff with a laser that focuses at infinity you will need much more power ie. a M140 (445nm) diode.

EDIT: You know that you must have a module with a lense that collimates the laser light right?! Just asking since your comment about: "I had strange open LD which needed focusing, because it shined like LED and I don't want to get the same". Did you expect that your LD would burn stuff without collimating/focus lens?

Here is an Aixiz module from Modwerx.
http://www.modwerx.com/shop/index.ph...products_id=11
The shop is from a member here on LPF, and the support, delivery time and all other is great. I would recommend buying both diode, housing and what else you need at modwerx (to save shipping from numerous places).

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RGB ~1W (work in progress)

>>DIY RGB build on MDF with homemade turning/dichroic mounts<<
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>>Adding connectors to FMP3 using old pc junk<<

Last edited by LaserAdct; 03-14-2012 at 01:36 PM.
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Old 03-14-2012, 01:47 PM #3
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

But not everywhere people uses modules to burn things.
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Old 03-14-2012, 01:55 PM #4
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

Quote:
Originally Posted by z4ibas View Post
But not everywhere people uses modules to burn things.
The purpose of the module is to be able
to attach a lens in front of the diode !
Otherwise you cant focus the diode !

Jim
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Old 03-14-2012, 01:59 PM #5
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

Quote:
Originally Posted by z4ibas View Post
But not everywhere people uses modules to burn things.
Yes they actually do - well not modules i agree on that, but a collimating/focus lense they most certainly need to be able to burn.
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RGB ~1W (work in progress)

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Old 03-14-2012, 01:59 PM #6
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

http://www.ebay.com/itm/200nm-1100nm...item3a5c0850c9 Can I focus laser with this lens? Or this http://www.ebay.com/itm/660nm-405nm-...item3caa4d238a

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Old 03-14-2012, 03:17 PM #7
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

I found this Focusable Laser Module Host/5.6mm Laser Diode Case w/h Lens/DIY Laser Host/1pcs | eBay laser module. Is it enough to make that 300mW laser to burn?
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Old 03-14-2012, 04:21 PM #8
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

Yes it is, and just to clarify - what you found there is the same principle as the Aixiz module I linked earlier. The one you found has better heatsinking, but a bigger total module diameter. You should find out which host you want to put that module in - host hold batteries, driver and the laser module with the actual laser diode in it.

Tbh I am starting to queation whether helping in this thread is actually a good idea... If there is any part of the above that you dont understand I suggest that you start to actually read through some of the brilliantly informative tutorials and basic principal threads!
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RGB ~1W (work in progress)

>>DIY RGB build on MDF with homemade turning/dichroic mounts<<
>>Cheap heatsink for scanner projects etc.<<

>>Adding connectors to FMP3 using old pc junk<<

Last edited by LaserAdct; 03-14-2012 at 04:23 PM.
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Old 03-14-2012, 04:38 PM #9
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

So I can put my LD in this Focusable Laser Module Host/5.6mm Laser Diode Case w/h Lens/DIY Laser Host, connect driver and burn?
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Old 03-14-2012, 04:44 PM #10
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

Uhhmm where are the hidden cameras??

Did you read my previous post? Yes...
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2 x 650nm from LPC-815 @ 200mW
1 x SF-AW210 @ 175mW
3 x 532nm @ 5mW, 50mW, 100mW
1 x 445nm, Mohrenberg C6 host @~1W
RGB ~1W (work in progress)

>>DIY RGB build on MDF with homemade turning/dichroic mounts<<
>>Cheap heatsink for scanner projects etc.<<

>>Adding connectors to FMP3 using old pc junk<<

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Old 03-14-2012, 04:50 PM #11
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

Yes, but I can't understand everything. So I don't need focusable laser module host? Should I buy only colimating lens or aixiz module?
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Old 03-14-2012, 05:01 PM #12
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

Quote:
Originally Posted by z4ibas View Post
So I can put my LD in this Focusable Laser Module Host/5.6mm Laser Diode Case w/h Lens/DIY Laser Host, connect driver and burn?
YES you can!
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1 x SF-AW210 @ 175mW
3 x 532nm @ 5mW, 50mW, 100mW
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RGB ~1W (work in progress)

>>DIY RGB build on MDF with homemade turning/dichroic mounts<<
>>Cheap heatsink for scanner projects etc.<<

>>Adding connectors to FMP3 using old pc junk<<
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Old 03-14-2012, 05:12 PM #13
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

Is it truth or you just laughing from me? Do I need colimating lens?

P.S. I want to buy items which are only needed to burn, last time I bought IR laser ;D

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Old 03-14-2012, 05:20 PM #14
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

I am surprised you did not read the description of that eBay module you found! NO I am not laughing at you and telling you lies, I am actually trying to help you! How old are you? And where are you from?

Please read the eBay description of the module you linked..!
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1 x SF-AW210 @ 175mW
3 x 532nm @ 5mW, 50mW, 100mW
1 x 445nm, Mohrenberg C6 host @~1W
RGB ~1W (work in progress)

>>DIY RGB build on MDF with homemade turning/dichroic mounts<<
>>Cheap heatsink for scanner projects etc.<<

>>Adding connectors to FMP3 using old pc junk<<
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Old 03-14-2012, 06:45 PM #15
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

I'm 17 years old, from Lithuania. I speak English not well So I need to buy LD and Focusable Laser Module Host only, right? Thank you for helping.
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Old 03-15-2012, 07:47 AM #16
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Default Re: 660nm 300-350mw CW Re Laser Diode DIY

Yes and I really suggest that you read some tutorials and beginner threads in this forum, they can help you alot. I really hope that you take safety seriously when it comes to lasers. I am a bit worried that you learn by trial and error because this is something that can seriously damage your eyes, or even worse someone elses eyes!!

Please try to understand the basics of lasers by actually studying it for a bit. Use the SEARCH functionality here at LPF to find out more.

Good luck with it
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2 x 650nm from LPC-815 @ 200mW
1 x SF-AW210 @ 175mW
3 x 532nm @ 5mW, 50mW, 100mW
1 x 445nm, Mohrenberg C6 host @~1W
RGB ~1W (work in progress)

>>DIY RGB build on MDF with homemade turning/dichroic mounts<<
>>Cheap heatsink for scanner projects etc.<<

>>Adding connectors to FMP3 using old pc junk<<
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