200mw to 500mw diy laser - hackerspace_brisbane

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Message from discussion 200mw to 500mw diy laser
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Date: Tue, 2 Oct 2012 10:06:28 +1000
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Subject: Re: 200mw to 500mw diy laser
From: chris bate <thejollygrimrea...@gmail.com>
To: hackerspace_brisbane@googlegroups.com
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the hardware and motion control part of it is the easy bit, the laser part
is the problem though, i'll have a look at the laser forum,

On Tue, Oct 2, 2012 at 9:24 AM, Pamela Hauff <hauff.geor...@gmail.com>wrote:

> Yes I have the knowledge and electronics skills.
> At this point maybe a lot of research at Laser Pointer Forums - Discuss
> Lasers & Laser Pointers <http://laserpointerforums.com/> would also help.
> I have taken apart a DVD and I know how to remove the diode.
>
> The driver is a very simple 3V regulator and some resistors etc.
>  As for the lens I think they can be purchased online.
> This laser and lens would have to be mounted in the router maybe some kind
> of electronic control for the lens focusing and laser power.
>
> Sounds like a good project and I am willing to participate.
>
> On Tue, Oct 2, 2012 at 9:14 AM, chris bate <thejollygrimrea...@gmail.com>wrote:
>
>> i've kind of been down that road before, it didn't work out too well, i
>> built a few of the driving circuits that poeple had done and i didn't
>> really get anything that worked,
>>
>> my biggest problem now is that i have a problem with my wrists where
>> doing anything like surface mount soldering or anything fiddly isn't as
>> easy as it used to be , so stuff like this i have to get/pay somone else
>> todo
>>
>>
>>
>>
>> On Tue, Oct 2, 2012 at 8:25 AM, James Hodgkinson <yale...@ricetek.net>wrote:
>>
>>> Any laser of non-minimal-power is going to cost money, pulling apart a
>>> bluray writer of high speed can yield a ~1W diode at relatively low cost.
>>> The only restriction on import is that it's not designed to be hand-held, I
>>> found that you can buy replacement optical assemblies for bluray players
>>> sometimes for a fairly cheap price.
>>>
>>> James
>>>
>>>
>>> On 2 October 2012 04:53, Pamela Hauff <hauff.geor...@gmail.com> wrote:
>>>
>>>> The 405nm Blue Lasers need a lens and a driver. Being a newbie at this
>>>> I imagine that breaking a perfectly good $130 blue ray writer and sourcing
>>>> lenses and making a driver could see this cost some amount of money.
>>>> I am interested in lasers myself for the purpose of making printable
>>>> electronics from graphite oxide. Graphite oxide when laser-ed makes
>>>> graphene and so you can print your own computer chips.
>>>> If there are people interested in starting a laser fund for the
>>>> purposes of experimentation I am willing to donate money to the cause.
>>>> Making a 500mW-1000mW 405nm laser would be important for various
>>>> hackspace projects now and into the future.
>>>>
>>>>
>>>>
>>>> On Tue, Oct 2, 2012 at 3:55 AM, Pamela Hauff <hauff.geor...@gmail.com>wrote:
>>>>
>>>>> Blu Ray Drives use 500mW lasers in them why not use an array of them?
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Oct 2, 2012 at 1:12 AM, Lemming . <inert...@gmail.com> wrote:
>>>>>
>>>>>> You're also going to need a lot more power to do it at any decent
>>>>>> sort of speed.
>>>>>>
>>>>>> On 2 October 2012 00:59, Luke Hovington <lu...@hovo.id.au> wrote:
>>>>>>
>>>>>>> Your best to look at the section on our website 'how to import a
>>>>>>> laser'
>>>>>>> http://www.hsbne.org/faq/how-to-import-a-laser
>>>>>>>
>>>>>>> On Tuesday, 2 October 2012, chris bate wrote:
>>>>>>>
>>>>>>>> Hi all,
>>>>>>>>
>>>>>>>> I'm after a small laser capable of melting powdered ABS for a
>>>>>>>> prototype 3d printer,
>>>>>>>> has anyone got one they will part with for cash or willing to build
>>>>>>>> one for cash?
>>>>>>>>
>>>>>>>>
>>>>>>>> Chris
>>>>>>>>
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>>>>>>>>
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>>>>>
>>>>>
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>>>>
>>>
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>
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the hardware and motion control part of it is the easy bit, the laser part =
is the problem though, i&#39;ll have a look at the laser forum,<br><br><div=
 class=3D"gmail_quote">On Tue, Oct 2, 2012 at 9:24 AM, Pamela Hauff <span d=
ir=3D"ltr">&lt;<a href=3D"mailto:hauff.geor...@gmail.com" target=3D"_blank"=
>hauff.geor...@gmail.com</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Yes I have the knowledge and electronics ski=
lls.=A0<div>At this point maybe a lot of research at=A0<a href=3D"http://la=
serpointerforums.com/" target=3D"_blank">Laser Pointer Forums - Discuss Las=
ers &amp; Laser Pointers</a>=A0would also help.<div>

I have taken apart a DVD and I know how to remove the diode.</div>
<div><br></div><div>The driver is a very simple 3V regulator and some resis=
tors etc.</div><div>=A0As for the lens I think they can be purchased online=
.</div><div>This laser and lens would have to be mounted in the router mayb=
e some kind of electronic control for the lens focusing and laser power.</d=
iv>


<div><br></div><div>Sounds like a good project and I am willing to particip=
ate.</div><div><br><div class=3D"gmail_quote"><div>On Tue, Oct 2, 2012 at 9=
:14 AM, chris bate <span dir=3D"ltr">&lt;<a href=3D"mailto:thejollygrimreap=
e...@gmail.com" target=3D"_blank">thejollygrimrea...@gmail.com</a>&gt;</span>=
 wrote:<br>


</div><div><div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8e=
x;border-left:1px #ccc solid;padding-left:1ex">i&#39;ve kind of been down t=
hat road before, it didn&#39;t work out too well, i built a few of the driv=
ing circuits that poeple had done and i didn&#39;t really get anything that=
 worked,<br>


<br>my biggest problem now is that i have a problem with my wrists where do=
ing anything like surface mount soldering or anything fiddly isn&#39;t as e=
asy as it used to be , so stuff like this i have to get/pay somone else tod=
o<br>



<br><br><br><br><div class=3D"gmail_quote"><div>On Tue, Oct 2, 2012 at 8:25=
 AM, James Hodgkinson <span dir=3D"ltr">&lt;<a href=3D"mailto:yaleman@ricet=
ek.net" target=3D"_blank">yale...@ricetek.net</a>&gt;</span> wrote:<br>
</div><div><div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8e=
x;border-left:1px #ccc solid;padding-left:1ex">
Any laser of non-minimal-power is going to cost money, pulling apart a blur=
ay writer of high speed can yield a ~1W diode at relatively low cost. The o=
nly restriction on import is that it&#39;s not designed to be hand-held, I =
found that you can buy replacement optical assemblies for bluray players so=
metimes for a fairly cheap price.<span><font color=3D"#888888"><div>




<br></div></font></span><div><span><font color=3D"#888888">James</font></sp=
an><div><div><br><br><div class=3D"gmail_quote">On 2 October 2012 04:53, Pa=
mela Hauff <span dir=3D"ltr">&lt;<a href=3D"mailto:hauff.geor...@gmail.com"=
 target=3D"_blank">hauff.geor...@gmail.com</a>&gt;</span> wrote:<br>



<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
The 405nm Blue Lasers need a lens and a driver. Being a newbie at this I im=
agine that breaking a perfectly good $130 blue ray writer and sourcing lens=
es and making a driver could see this cost some amount of money.<div>I am i=
nterested in lasers myself for the purpose of making printable electronics =
from graphite oxide. Graphite oxide when=A0laser-ed=A0makes graphene and so=
 you can print your own computer chips.</div>





<div>If there are people interested in starting a laser fund for the purpos=
es of experimentation I am willing to donate money to the cause.</div><div>=
Making a 500mW-1000mW 405nm laser would be important for various hackspace =
projects now and into the future.</div>




<div><div>
<div><br></div><div><br><br><div class=3D"gmail_quote">On Tue, Oct 2, 2012 =
at 3:55 AM, Pamela Hauff <span dir=3D"ltr">&lt;<a href=3D"mailto:hauff.geor=
g...@gmail.com" target=3D"_blank">hauff.geor...@gmail.com</a>&gt;</span> wro=
te:<br>





<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Blu Ray Drives use 500mW lasers in them why =
not use an array of them?<div><div><div><br></div>
<div><br></div><div><br></div><div><br><br><div class=3D"gmail_quote">On Tu=
e, Oct 2, 2012 at 1:12 AM, Lemming . <span dir=3D"ltr">&lt;<a href=3D"mailt=
o:inert...@gmail.com" target=3D"_blank">inert...@gmail.com</a>&gt;</span> w=
rote:<br>






<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><font>You&#39;re also going to need a lot mo=
re power to do it at any decent sort of speed.<br></font><div>
<div><br><div class=3D"gmail_quote">On 2 October 2012 00:59, Luke Hovington=
 <span dir=3D"ltr">&lt;<a href=3D"mailto:lu...@hovo.id.au" target=3D"_blank=
">lu...@hovo.id.au</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Your best to look at the section on our webs=
ite &#39;how to import a laser&#39;<br><a href=3D"http://www.hsbne.org/faq/=
how-to-import-a-laser" target=3D"_blank">http://www.hsbne.org/faq/how-to-im=
port-a-laser</a><div>







<div><div><br dir=3D"ltr">On Tuesday, 2 October 2012, chris bate  wrote:<br=
>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Hi all,<br><br>I&#39;m after a small laser c=
apable of melting powdered ABS for a prototype 3d printer, <br>has anyone g=
ot one they will part with for cash or willing to build one for cash? <br>








<br><br>Chris<br>

<p></p>

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