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03-23-2016, 04:16 AM #17
 Class 3B Laser Join Date: Jan 2014 Location: Deployed to Iraq Posts: 4,142 Rep Power: 1781
Class 3B Laser

Join Date: Jan 2014
Location: Deployed to Iraq
Posts: 4,142
Rep Power: 1781
Re: The Rep System Is Not Moderated

I have these glasses on etched with his name now, all trolls come from the same source to me, but you are right, that is erroneous thinking.

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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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