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11-22-2014, 07:19 PM #1
 Junior Member Join Date: Nov 2014 Posts: 9 Rep Power: 0
sdietric
Junior Member

Join Date: Nov 2014
Posts: 9
Rep Power: 0
Building a white laser

Hi,

Anybody knows where I can find instructions to build a white laser, e.g. by combining the beams of three different lasers? What do I need to do this?

And is there somewhere a optical diffusor I can point a white laser to that would spread out the beam so I can use it as a flashlight as well?

I saw the wicked laser.com approach, but that's more like the BMW headlamp approach, see my other post.

11-22-2014, 10:03 PM #2
 Super Moderator Join Date: Jan 2014 Location: Great White Frozen North Posts: 9,204 Rep Power: 1081900
Super Moderator

Join Date: Jan 2014
Location: Great White Frozen North
Posts: 9,204
Rep Power: 1081900
Re: Building a white laser

If you expand the output to be like a flashlight, I believe the R, G & B would also separate out, diffuser lens or not, but where there is a will, there is usually a way, for a price.

More:

http://laserpointerforums.com/f44/wh...ion-55654.html

http://laserpointerforums.com/f51/tu...tfx-41942.html

Search LPF, lots more to be found.
__________________

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; 11-22-2014 at 10:19 PM.

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