Simulation for generation of 15 fs laser pulses by Raman backscatter in plasmas
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- Simulation for generation of 15 fs laser pulses by Raman backscatter in plasmas
- Hur, Min Sup; Kim, Jaehoon; Gupta, Devki N.; Jang, Hyo Jae; Suk, Hyyong
- AMPLIFICATION; BEAMS
- Issue Date
- AMER INST PHYSICS
- APPLIED PHYSICS LETTERS, v.91, no.10, pp.1 - 3
- Pulse compression using the Raman backscatter (RBS) in plasmas was numerically investigated for the strong kinetic regime. It was found that shortening of a seed pulse is more effective when the interaction length is smaller, which is contradictory to the general expectation. In a representative case, compression of up to 14 fs could be obtained from the RBS interaction length less than 0.1 mm. Behavior of the Raman amplification system for such a short interaction distance was not addressed before. Estimation with realistic parameters indicates that the output power can reach tens of terawatts.
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