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01-02-2016, 01:23 PM #945
 Class 3R Laser Join Date: Apr 2015 Location: Fall river MA Posts: 1,433 Rep Power: 1255
GSS
Class 3R Laser

Join Date: Apr 2015
Location: Fall river MA
Posts: 1,433
Rep Power: 1255
Re: What lights do you have?

Quote:
 Originally Posted by Alaskan Ha, I only have one TK75, that is just a photo I found on the net.
Thats hard to beleive

01-04-2016, 12:13 AM #946
 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
Re: What lights do you have?

The TK75 is too high priced to have many, the one i have is being converted into a laser diode host.
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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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