Radial flow laser
Radiation beam deflection system
Radioactively preionized electrical discharge laser
Rare earth semiconductor laser
Recirculation or stirred reactor flow laser
Recombination lasers with spatial variations in pumping
Regenerative laser device
Repetitively pulsable traveling wave laser
Repetitively pulsed, cold cathode e-beam, self-switch laser
Resonator package for atomic frequency standard
RF excited mercury laser lamp
Rf Feedback free electron laser
Ring laser for penetrating waves
Ring laser gyroscope anode
Ring lasers
Rubidium atom oscillator with temperature stabilized frequency o