Page 354 - The ROV Manual - A User Guide for Remotely Operated Vehicles 2nd edition
P. 354
346 CHAPTER 13 Communications
n2 Air
(a)
Air
(b)
FIGURE 13.18
θ2
Critical angle
Emerging light rays
Point source of light
Total internal reflection
n1 Water
θC
θ1 θ2
θ1
Glass
Reflected 41°
Reflected
Depiction of (a) waterair interface and (b) glassair interface.
FIGURE 13.19
Light dispersion through glass splits into component colors.
Reflected ray
Incident ray