Abstract

A new system concept, a master and slave oscillator array for very large multiline lasers, is described. This system provides a solution to the optical problem associated with these lasers—efficient power extraction with good beam quality. It also permits coherent optical adaptive techniques and fast electric steering and focusing. The slave oscillators are phase-locked to the master oscillator, and their output beams are coherently recombined as in a radar phase array. Beam steering and focusing are achieved by controlling the phases of each slave oscillator. Efficient power extraction is achieved by oscillating at several selected υ-J transitions. The system is described, and its merits, potential performance, and critical technical issues are presented.

© 1978 Optical Society of America

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