very much like high power Lasers. I had old but working Sony DVD RW. I dismantle it for take out the laser Diode. Normally they are using High Power Lasers to Burn DVDs. Higher the Drive Writing Speed more stronger the Laser ( like 100mW to 250mW ). Coz of those High Power Lasers it can harm ur self so Plz DO NOT LIGHT UP THIS TYPE OF LASER WITHOUT SAFETY.
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