advantages / disadvantages
between J-Tech laser
3.8W and 7W
My understanding is that any “7W” or “15W” laser module on the market is an overdriven diode pushed beyond its specifications and will die within months if used for production. I killed one myself in 2 months.
If you want more than 6.2W for production use in a blue laser you will need to pay for a multi-dode industrial unit that will cost you over a thousand dollars.
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