L.C. oscillator proximity detector
Lamp housing assembly primarily for the lamp of a rubidium frequ
Large volume multiple-path nuclear pumped laser
Laser
Laser
Laser
Laser action by optically depumping lower states
Laser amplifier system
Laser and its method of operation
Laser apparatus
Laser apparatus
Laser apparatus
Laser apparatus
Laser apparatus with lamp change means
Laser autoalignment system
Laser beam alignment
Laser beam arrangement
Laser beam control device
Laser capable of producing a frequency standard
Laser cavities with gas flow through the electrodes