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ArcticMyst Security by Avery

how to make a white laser

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colour ratio's

red is 4:1 with green
blue is 2:1 with green

so 100mw green would need at least 400mw of red and 200mw of blue
 





murrat

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andy_con said:
colour ratio's

red is 4:1 with green
blue is 2:1 with green

so 100mw green would need at least 400mw of red and 200mw of blue

Is there any fixed ratio for white?
Therefore I can see different ratios used in different white lasers from companies.

Like 1 green , 2 red, 2 blue :-? :-/
 
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depends if you use a 635nm red or 650nm red or 660nm red

there really isnt set figures, the only way for perfect white is analogue modulation
 
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i will(in a long time) when i have every thing make it with 3 pots
 
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heres my white :) :) :)

DSCN8516Large.jpg

DSCN8517Large.jpg
 

murrat

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andy_con said:
depends if you use a 635nm red or 650nm red or 660nm red

there really isnt set figures, the only way for perfect white is analogue modulation

I think mostly 635nm. What analogue modulation does? Adjust the output powers of 3 (RGB) lasers? :-?

BTW your white looks nice ;)
 
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yes means you can adjust the power of the laser brightness so you can get a perfect colour match
 




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