Optical wireless data communication system, and transmitter...

Optical wireless data transmission system and optical wireless d

Optical-fiber light amplifier

Optical-fibre telecommunications line with protection device for

Optical-frequency communications system for aircraft

Optical-frequency-stabilized light source

Optical-interference microphone

Optical-signal transmission apparatus and method, and signal...

Optical-signal transmitting apparatus, optical-signal receiving

Optical-signal/electric-signal converting device

Optical-wavelength interchanger element and optical-wavelength i

Optically amplified back-up receiver

Optically amplified transmission systems

Optically amplified transmission systems

Optically controlled optical switching module, method of optical

Optically controlled radio

Optically crosslinked communication system (OCCS)

Optically encoded signals

Optically injection-locked self-oscillating dual-gate MESFET mix

Optically programmable controller