315-nm optical sounding for laser-produced plasma

Shao-Xian Meng; Zhongmin Gu; Jingxin Yang; Qirong Lu

doi:10.1117/12.145803

1 January 1993 315-nm optical sounding for laser-produced plasma

Shao-Xian Meng, Zhongmin Gu, Jingxin Yang, Qirong Lu

Proceedings Volume 1801, 20th International Congress on High Speed Photography and Photonics; (1993) https://doi.org/10.1117/12.145803
Event: 20th International Congress on High Speed Photography and Photonics, 1992, Victoria, BC, Canada

Abstract

The heating and the sounding pulse are generated by the same laser. The laser output radiation is split into two independent channels, one of them is converted into an ultraviolet picosecond pulse by means of backward stimulated scattering. When a 3 - 10 ns pulse is produced by a Q- switched laser, the temporal compression of the sounding pulse is performed with a cascade Brillouin and Raman backward stimulated scattering. When a 0.1 - 1 ns pulse is produced by a mode-locked laser, the sounding pulse compression is achieved with a backward stimulated Raman scattering. The beam is then frequency-doubled into 315 nm in a BBO crystal. The ultraviolet pulsewidth is about 10 - 20 ps and its energy is larger than 0.2 mj.

Citation Download Citation

Shao-Xian Meng, Zhongmin Gu, Jingxin Yang, and Qirong Lu "315-nm optical sounding for laser-produced plasma", Proc. SPIE 1801, 20th International Congress on High Speed Photography and Photonics, (1 January 1993); https://doi.org/10.1117/12.145803

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