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The chirped ultrabroadband pulse amplification in inhomogeneously broadening medium

In the paper the amplification of ultrabroad bandwidth pulse in inhomogeneously broadening gain medium is theoretically investigated. Based on the analysis of the properties of the pulse with very strong chirp, we build a theoretical simulation model to analyzing the amplification of highly chirped pulse which includes the effects of homogeneous or inhomogeneous broadening. By our model, the difference between the inhomogeneously and homogeneously broadening amplification can be identified by numerical simulations. Then we simulate the compensation of Chirped pulse amplification (CPA), and it can optimize the laser design.