On 25/06/2011 05:48, PICdude wrote:
>> ...
>> >  Go and buy a 1W 808nm laser diode, they will usually operate between
>> >  1.8V to 2.2V. Design a simple PWM driver circuit and interface to PC
>> >  using USB or RS232 then you will have a simple laser cutting system ;
>> >  BOM; 50-60$
> Interesting, and it seems like a very low-cost experiment.  Though so
> far all I see is US$200+ for 1W 808nm.  Still investigating.
>

This may be of some interest:

http://uk.rs-online.com/web/search/searchBrowseAction.html?method=3DgetProd=
uct&R=3D6655170

http://uk.rs-online.com/web/search/searchBrowseAction.html?method=3Dretriev=
eTfg&Nr=3DAND%28avl%3auk%2csearchDiscon_uk%3aN%29&N=3D4294767569+4294571114=
&binCount=3D16&Ns=3DI18NPrc1_uk&Nso=3D0#resultArrow=20
<http://uk.rs-online.com/web/search/searchBrowseAction.html?method=3Dretrie=
veTfg&Nr=3DAND%28avl%3auk%2csearchDiscon_uk%3aN%29&N=3D4294767569+429457111=
4&binCount=3D16&Ns=3DI18NPrc1_uk&Nso=3D0#resultArrow>

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