Fig. 1 | Communications Physics

Fig. 1

From: Advantages to a diverging Raman amplifier

Fig. 1

Schematic of the proposed diverging Raman amplifier geometry. The seed pulse (red) starts in the amplifier at its focus, where it is met by the counter-propagating long-pump pulse (black). It amplifies through the plasma (purple) as it diverges outside of the Rayleigh range. A curved plasma mirror (grey) focusses the amplified pulse to a controllable focal position. Alternatively, the pump may arrive from a different angle, past the side of the plasma mirror

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