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03-28-2016, 04:20 AM #1
 Class 3B Laser Join Date: Jan 2014 Location: Near Mosul, Iraq Posts: 4,277 Rep Power: 2124
Class 3B Laser

Join Date: Jan 2014
Location: Near Mosul, Iraq
Posts: 4,277
Rep Power: 2124
Who in the world is threatening me?

Who could this be? He says he knows who I am and where I live, in so many words. There was one past banned member who I gave my address to so he could send me something I was going to work on for him for free, now he is using that info to threaten me?

Guys, please do not make threads like this, you're giving the no lifers & trolls an audience, exactly what they're craving.

Ped

__________________

http://www.lexellaser.com/techinfo_wavelengths.htm

Laser Safety:
http://www.laserpointersafety.com/index.html

Angular Size Calculator; use with diode angle of radiation specification to calculate the needed lens diameter for a given FL:
http://www.1728.org/angsize.htm

Divergence to spot size calculator: http://tinyurl.com/spotsize - 1 mRad is about .057 degrees which from the earth would expand to be ~10% the diameters of the moon or sun at their distances.

Divergence Calculator: http://www.pseudonomen.com/lasers/ca...alculator.html - Measure your lasers beamwidth at 1 foot & then at a further distance to calculate the divergence.

Online calculator to determine spot intensity at different mRad's & powers @ distances: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: http://www.ophiropt.com/laser-measur...ity-calculator

How to build a laser beam expander to reduce divergence: http://tinyurl.com/BeamExpander

RHD's Relative Perceived Brightness Calculator. Compare brightness @nm: http://lsrtools.1apps.com/relativebrightness

YAG Power Calculator, i.e. convert ns @ mJ to peak power in watts http://tinyurl.com/YAG-Pulse

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Last edited by ped; 03-28-2016 at 04:10 PM.

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