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If you want to buy laser diode, I suggest you to buy it in China. A 16X sunsung DVD burner is just cost 20$, you may not believe this, but I could buy hundreds of it in china, they are new and with good quality...(but post it to you may spent more than that...) And the most unbelieveable thing...

I still have a Question about the power of the 16X DVD burner... And as we know, the laser diode driver is a uniform curent power supply, and when starting, just slowly increasing the curent until the diode suddenly shines bright, but how can I know whether the current is suitable for the...