270 / 1578
34
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32
0
0.2
0.4
0.6
0.8
1
(residual) Range (cm)
Spot size (1 sigma, cm)
Spot size in air or water, no pre- absorber
water
air
FWHM
±
1.0 cm
Typical Spot Sizes
Spot size in air and water, no pre-absorber
Courtesy by M. Engelsman