Diagnostic research of stimulated Raman back scattering in ultrashort-ultraintense laser interaction with gas target

jiao chun-ye; gu yu-qiu; wu yu-chi; liu hong-jie; wang jian; wen tian-shu; wen xian-lun; he ying-ling; hong wei; huang wen-zhong

Volume 20 Issue 10

Oct. 2008

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Article Navigation > High Power Laser and Particle Beams > 2008 > 20(10): 0-

zhang bing-jie, yang wen-bin, zhou yuan-lin, et al. Preparation and characterization of magnetic ICF target by electroless plating[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

jiao chun-ye, gu yu-qiu, wu yu-chi, et al. Diagnostic research of stimulated Raman back scattering in ultrashort-ultraintense laser interaction with gas target[J]. High Power Laser and Particle Beams, 2008, 20.

zhang bing-jie, yang wen-bin, zhou yuan-lin, et al. Preparation and characterization of magnetic ICF target by electroless plating[J]. High Power Laser and Particle Beams, 2007, 19.

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Diagnostic research of stimulated Raman back scattering in ultrashort-ultraintense laser interaction with gas target

1.
Research Center of Laser Fusion,CAEP,P.O.Box 919-986,Mianyang 621900,China;
2.
Institute of Atom and Molecule Physics,Sichuan University,Chengdu 610065,China

Publish Date: 2008-10-15

Abstract

Abstract

The stimulated backward Raman scattering generated by femosecond laser interaction with gas target was measured. In the condition of experiment, the stimulated Raman backscatter(SRS) is in the strongly coupled mode, and several nonlinear Stokes satellite peaks appeare in the scattering spectrum. The frequency space of Stokes peaks is smaller than the plasma wave frequency. The plasma density range of laser interaction with gas target deduced from backward SRS is 5×1018 cm-3. These results are consistent with the prediction of a strongly coupled Raman theory．
- ultrashort-ultraintense laser,
- raman scattering,
- wakefield acceleration,
- plasma density

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