[1] Blanchot N,Rouyer C,Sauteret C,et al. Amplification of sub-100-TW femtosecond pulses by shifted amplifying Nd∶glass amplifiers: theory and experiments [J].Opt. Lett.,1995,20(4): 395-397.

[2] Satuart B C,Perry M D,Miller J,et al. 125-TW Ti∶sapphire Nd∶glass laser system [J].Opt. Lett.,1997,22(4):242-244.

[3] Chambaret J P,Blance C L,Cherau G,et al. Generation of 25-TW,32 fs pulses at 10 Hz [J].Opt. Lett.,1996,21(23): 1921-1923.

[4] Ammann H,Hodel W,Weber H P. Experimental and numberical investigation of short pulse propagation and amplification around 1.3 μm in a Na3+-doped fluoride fiber [J].Optical Communcations,1994,113: 39-45.

[5] Bespalov V I,Talanov V I. Theory on small-scale self-focusing [J].JETP Lett.,1966,3: 307-310.