Pot mod

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A pot mod is a modification made to a CD/DVD-ROM potentiometer. The potentiometer itself tells the laser how bright to shine. Typically, this is either screwed in/out to fix problems with the drive not reading media. Recently, with the spread of certain brands of easily-modified green laser pointers, this term has come to refer to increasing the brightness of the pointer through a hardware hack by bypassing or altering the potentiometer.

[edit] Pot-modding lasers

Diode and DPSS lasers can also be pot-modded to output much more than their original limits. However, this also usually shortens the lifetime of the laser by a considerable amount. Some laser hobbyists consider this to be a worthy trade-off.