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08-02-2014, 09:10 AM #1
 Super Moderator Join Date: Jan 2014 Location: Great White Frozen North Posts: 9,236 Rep Power: 1121407
Super Moderator

Join Date: Jan 2014
Location: Great White Frozen North
Posts: 9,236
Rep Power: 1121407
Information in the form of energy....

Cool youtube video on the brain and how the hemispheres work:

Ode to the Brain! by Symphony of Science: http://www.youtube.com/watch?v=JB7jSFeVz1U

__________________

Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.

Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

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

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3

Last edited by Alaskan; 08-02-2014 at 09:31 AM.

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