NASA NTRS · 19910057490
High-power and high-spatial-coherence broad-area power amplifier
Abstract
A broad-area AlGaAs amplifier operating CW has delivered 425 mW of total power with 342 mW in a single lobe diverging at 1.02 times the diffraction limit (FWHM 0.483 deg, 87.4-micron actual aperture) for a master oscillator input power of 70 mW. The spatial coherence of the amplifier output is 0.97, and the mutual spatial coherence between the oscillator and the amplifier is 0.96.
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Andrews, John R., Schuster, Gregory L.. 1991-06-15. High-power and high-spatial-coherence broad-area power amplifier. https://ntrs.nasa.gov/citations/19910057490
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