Possible "Bottleneck" for Green Laser DIY Lovers

Maybe you are just seeing that there auction on Ebay, it is said for a piece of YAG, you can pump it with 40 watts of IR and get 10 watts of green from a simple cavity. It is true, if you are clever enough. To most of people the green laser DIY is not quite that simple. You have to make a lot of things clear, and a lot of things need to be prepared, such as go off buying a diode and crystals (they may expensive), several watts are always needed.



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