A circuit for the power supply of laser-pumping lamps by current pulses of alternating direction

A symmetrical power supply circuit for laser-pumping lamps is described. The circuit provides for the automatic alternation of the direction of discharge-current pulses, which makes it possible to eliminate temperature gradients and thermal stresses associated with conventional lamps. Pump energy is regulated by the extraction of excess energy into an auxiliary storage unit (i.e., an induction coil). The operation of the circuit is described, and the efficiency of the device is calculated for various energy-regulation conditions.