Laser FAQ said:Argon lines:
Wavelength......Relative Power......Absolute Power
------------------------------------------------
454.6 nm.........0.03....................0.8 W
457.9 nm.........0.06....................1.5 W
465.8 nm.........0.03....................0.8 W
472.7 nm.........0.05....................1.3 W
476.5 nm.........0.12....................3.0 W
488.0 nm.........0.32....................8.0 W
496.5 nm.........0.12....................3.0 W
501.7 nm.........0.07....................1.8 W
514.5 nm.........0.40....................10.0 W
528.7 nm.........0.07....................1.8 W