Random-access digitally -tuned optical frequency synthesizer
Random-access digitally-tuned coherent optical receiver
Rapid acoustooptic tuner and phase-shifter
Rapid wavelength switching of IR lasers with Bragg cells
Rapidly tunable external cavity laser
Rapidly tunable integrated laser
Rapidly tunable integrated laser
Rapidly tunable laser
Rapidly tunable wideband integrated laser
Rare earth-doped medium with photorefractive grating as...
Reflective digitally tunable laser
Resonator