The effect of near-sheath dusts on the rf power loss in a surface-wave-sust
ained gas discharge is studied. The planar plasma is bounded by a dielectri
c and consists of an inhomogeneous near-wall transition layer (sheath), a d
usty plasma layer and an outer dust-free plasma. The discharge is maintaine
d by high-frequency axially symmetrical surface waves. The surface-wave pow
er loss from the most relevant dissipative mechanisms in typical discharge
plasmas is analysed.