Fig. 3 | Nature Communications

Fig. 3

From: Dual-comb spectroscopy of laser-induced plasmas

Fig. 3

Comparison of Rb cell versus laser plasma absorption spectrum. Simultaneous measurement of the Rb D2 lines from the a laser-induced plasma and b Rb cell. Each spectrum is the average of three laser ablation shots. The calculated measurement resolution was 0.18 GHz (0.4 pm). Δfrep: 140 Hz, pressure: 1 torr

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