Effect of amplified spontaneous emission in Heaven Ｉ preamplifier

zhang chunbin; long tao

Volume 14 Issue 05

Oct. 2002

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Article Navigation > High Power Laser and Particle Beams > 2002 > 14(05): 0-

huang xiu-guang, fu si-zu, wu jiang, et al. Experimental researches on planarity of shock wave directly driven by 2ω laser beam of “Shenguang-Ⅱ” facility[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

zhang chunbin, long tao. Effect of amplified spontaneous emission in Heaven Ｉ preamplifier[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

zhang chunbin, long tao. Effect of amplified spontaneous emission in Heaven Ｉ preamplifier[J]. High Power Laser and Particle Beams, 2002, 14.

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Effect of amplified spontaneous emission in Heaven Ｉ preamplifier

1.
Beijing Institute of Applied Physics and Computational Mathematics,P.O.Box 8009,Beijing 100088,China

Publish Date: 2002-10-15

Abstract

Abstract

In the numerical simulation of 3D amplified spontaneous emission(ASE), we have investigated the effects of side reflection of ASE and the spectrum line shapes (Gaussian, Lorentzion and Square hat forms) of KrF spontaneous emission, including the influence of space grids in calculation. The ranges that ASE can affect the amplification quality of the Heaven 1 preamplifier are gotten. We have found that the ASE effects of square hat pulse can be twice of that of Lorentzion pulse, and the extraction efficiency will be decreased about 40%. From our calculation, we learn that the efficiency can decline to about 35% if we include the influence of ASE with square hat pulse and reflection coefficient of 0.2, in contrasting with the situation which not considering the ASE effects.
- krf laser,
- amplified spontaneous emission,
- line shape

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