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Old 11-27-2014, 06:41 PM #1
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Default hello

Hello I am Imran from Trinidad and Tobago. Have been here since couple of months. Since my childhood I was very attracted towards lasers.
I love this site and I have purchased Arcane from MrJoker. and I am enjoying this very very much.
as everybody know there is no end to the dreams. now I am really eager to build my own laser. I have been reading all the tutorials and I am very excited to build one laser for which I request everybody's help.
Thank you


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Old 11-27-2014, 07:07 PM #2
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Default Re: hello

Welcome! Coherent light is amazing, I agree! It is one of the most awesome things I've seen at night when such a tight beam of light shoots upward into the heavens far beyond what anything else can be seen to do. It's also like being able to see light from the side, although merely a reflection from things in the air. Just don't shoot yourself in the eye
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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

The forum costs more to run than donations received, if you wish to help click this link: http://laserpointerforums.com/donations.htm

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Old 11-27-2014, 11:12 PM #3
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Default Re: hello

Welcome!

-Alex
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My Lasers:
593.5nm: Laserglow Rigel-2 (waiting for arrival)

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Old 11-27-2014, 11:40 PM #4
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Default Re: hello

Quote:
Originally Posted by Tha Greenlander View Post
Welcome!

-Alex
Thank you.
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