FIELD: measuring first derivative of Earth gravity field potential, for example, gravity force, i.e. free fall acceleration. SUBSTANCE: device has first and second diffraction patterns, polarization prism and polarizer, and uses single active element which contains active population and provides generation of linear-polarization light with orthogonal polarization planes in two different linear resonators which share one output mirror. EFFECT: increased functional capabilities. 1 dwg
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Authors
Dates
1998-07-27—Published
1997-07-01—Filed