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New Architectures for Photonic Doppler Velocimetry: High Velocities at Lower Cost

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Abstract

Doppler velocimetry is used extensively to measure velocities in dynamic experiments, but Doppler shifts of ≈1.3 GHz/km/s demand expensive digitizers. We discuss methods leveraging frequency down-mixing to reduce digitization requirements and costs.

© 2016 Optical Society of America

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