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About multimode red laser diodes






Which multimode red laser diode has the smallest divergence?
This place is in a funk the last 2 years.. Usually you would of had 10 answers by now.

I can't help as I don't like the red colors..
I think you should email seller DTR and ask him. His sales sight is the same as his user name. "DTR"
 
Multi-mode laser diodes in general have really bad divergence.--how bad depends on the particular diode and wavelength. As far as red goes you need to specify a wavelength not a color i.e. 638nm orange red, 650 red or 660nm red and so on.
Color is not a physical property; it is merely the brain’s interpretation of different wavelengths of light. Color names are words/symbols for that brain activity.
Wavelength is a physical property.

You can ask DTR on LPF or by email.
See: https://laserpointerforums.com/threads/dtrs-laser-shop-open-thread.111872/

or see his web site: https://sites.google.com/site/dtrslasershop/

email address is: Info@DTRsLaserShop.com
 
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