Laser mouse mod

I want to ask can anybody explain me can I put a real laser in an optical mouse?
I want to be able to move in on any surface even in the air (1cm betwen mouse and surface)?
I want to make an fps gun mouse, so please, tell me, can anybody do it ?
And if yes what laser I should use?

menace4 (author) 6 years ago
I want to put a red laser instead of the LED diode inside