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In this paper we present a high-repetition-rate experimental platform forexamining the spatial structure and evolution of Biermann generated magneticfields in laser-produced plasmas. We have extended the work of priorexperiments, which spanned over millimeter scales, by spatially measuringmagnetic fields in multiple planes on centimeter scales over thousands of lasershots. Measurements with magnetic flux probes show azimuthally symmetricmagnetic fields that range from 60 G at 0.7 cm from the target to 7 G at 4.2 cmfrom the target. The expansion rate of the magnetic fields and evolution ofcurrent density structures are also mapped and examined. Electron temperatureand density of the laser-produced plasma are measured with optical Thomsonscattering and used to directly calculate a magnetic Reynolds number of$1.4\times 10^4$, confirming that magnetic advection is dominant $\ge 1.5$ cmfrom the target surface. The results are compared to FLASH simulations, whichshow qualitative agreement with the data.

High Repetition Rate Exploration of the Biermann Battery Effect in Laser Produced Plasmas Over Large Spatial Regions