Fiber optic slip ring is usually use for transfer fiber optic signals, it’s widely used for communication industry.
Fiber optic rotary joint
DHS048-35-1F photoelectric slip ring combination single channel fiber optic slip ring
Fiber optic rotary joint
DHS056-50-1F photoelectric slip ring 1 channel optical fiber + electric hybrid slip ring
Fiber optic rotary joint
DHS058-25-1F optoelectronic slip ring military grade standard, 1channel fiber optic