Old 06-15-2016, 06:25 AM #17
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Thumbs up Re: NDB7242E Diodes

Quote:
Originally Posted by lazerman121 View Post
TunedcavityLasers is JLSE here on the forum but there's a reason he is gone look it up .
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Laser Pointer Forums - Discuss Laser Pointers - View Profile: JLSE wow man alasken i don't thing we shod contact him


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Old 06-15-2016, 10:56 AM #18
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Default Re: NDB7242E Diodes

Although both Ehgemus and Mr. Crouse have disappeared from the forum, I believe if offered enough incentive, both will still build hosts for us. Although the last email I sent Harold went unanswered, it may have slipped through being unseen, with as many as he probably gets.
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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
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