High-energy laser with multiple phased outputs

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer

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372 18, 372 32, H01S 3083

Patent

active

056317379

ABSTRACT:
A high-energy laser 10 comprising a ring of lesser-powered laser modules 12,14,16 from each of which an output is taken to be projected so that they all arrive in phase on a distant target. To phase-lock the outputs of all the serial laser modules, the path lengths (l) of the laser modules are made equal, the path length around the large loop which includes all the laser modules is made an integral multiple of the laser-module path length, and at least two different feedback loops are employed.

REFERENCES:
patent: 3277392 (1966-10-01), Nicolai
patent: 3496487 (1970-02-01), Shaffer
patent: 3691483 (1972-09-01), Klien
patent: 3825845 (1974-07-01), Angelbeach et al.
patent: 3887776 (1975-06-01), Zeidly
patent: 4295741 (1981-10-01), Palma et al.
patent: 4516244 (1985-05-01), Holmes
patent: 4549144 (1985-10-01), Summers

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