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Question:

Excuse me, a CD player, DVD machine, laser power, Blu ray wavelength, is the number.

Excuse me, a CD player, DVD machine, laser power, Blu ray wavelength, is the number.

Answer:

The power of red laser CD and DVD machines in general a few milliwatts to tens of milliwatts, few hundred milliwatts.The power of a blue laser head is usually several hundred MW, with an average of 200-400 milliwatts, and some high instantaneous power of 1 watts
Blue light machines typically use 405nm's GaN based blue laser
The general use of the CD laser wavelength is 780nm laserDVD machines generally use 650nm lasers

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