Old 08-24-2015, 11:12 AM #1
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Default Dichroic Mirror Source

Hi All,

I need 2 dichroic mirrors to combine my RGB lasers, 638nm, 520nm, 450nm respectively. Ideally I want the red to be combined last to reduce the losses. I don't really want to buy from Thorlabs or any other laboratory suppliers. I used to get them from DTR in the projector optics bundle but I need a new set for a new project. Any suggestions would help.

Also would like to find a small right angle prism.

Thanks!



Last edited by Apocalypse; 08-24-2015 at 11:21 AM.
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Old 08-24-2015, 03:08 PM #2
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Default Re: Dichroic Mirror Source

You can get them for cheap at ebay
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Old 08-24-2015, 04:44 PM #3
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Default Re: Dichroic Mirror Source

For your right angle prism, Lasertack.com sells small R,G, or B first surface mirror prisms, if that is what you are looking for.
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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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