Submitted by SurprisedPotato t3_10utol4 in askscience
pyrokay t1_j7gjju3 wrote
Reply to comment by jns_reddit_already in Why are green and red laser pointers so cheap and available, but yellow ones not so much? by SurprisedPotato
We have direct blue and direct green diodes now, 450nm and 520nm respectively.
Edit: the direct blues are 5+ watts per diode and the green is at about 1.4 watts per diode so not that low powered
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