On Friday, January 27, 2012 01:50:53 PM Kirk Wallace did opine: > For those following this thread, just a reminder of what I think > Viesturs has. > > eBay laser with controller: > http://www.ebay.com/itm/Industrial-808nm-800mw-Infrared-Focusable-Laser- > Diode-Module-Cutter-w-TTL-/180781956841?pt=LH_DefaultDomain_0&hash=item2 > a1771bee9#ht_2189wt_1080 Short URL: http://alturl.com/9t7fg > > Peak Wavelength : 808 nm > Color : Infrared > Visibility : INVISIBLE > Diode Beam divergence : 12/100 deg. > Emitting area : 50 x 2 آµm > Module Output Power : 800 mW > Diode Output Power : 1000 mW > Modulation : TTL > Max. Modulation Frequency : 20 KHz > Focus Range : 1 inch to 5 inches > Warm Up Time : < 1 Minute > Power Stability : %5, 20 minutes > Spectral Line width : <10 nm > Operating Current : 1300 mA > Operating Voltage : 9-12 Vdc > Laser Diode Cooling Mode : Aluminum Heat Sink > Driver Cooling Mode : Aluminum Heat Sink > Expected Lifetime : 5000 hours > Power Supply Required : 9-12 volts DC 1.3 Amp > Applications : CNC Cutting, Material Processing, > > http://www.listingfactoryhost.com/users/kerimkale/eBayAuctions/346554dgf > /images/DSCN6716_360697722_thumb.jpg Short URL: http://alturl.com/fynsz > > http://www.listingfactoryhost.com/users/kerimkale/eBayAuctions/346554dgf > /images/DSCN6705_865650630_thumb.jpg Short URL: http://alturl.com/j4aof > > I suspect the power to the laser driver just needs to be switched as an > Enable, with the driver's TTL input modulated by PWM/PDM to turn the > bean on and control the strength. > > I have zero experience with lasers, so grains of salt are recommended.
And I suspect you are spot on, and that we have managed to make a larger problem out of it than it is. Viesters? Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> Sanity is the trademark of a weak mind. -- Mark Harrold ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users