[1] Sheik-Bahae,Said A A,Wei T H,et al. Sensitive Measurement of optical nonlinearities using a single beam[J]. IEEE J Quantu Electronics,1990,260:760-769.
[5] Sheik-Bahae,Said AA, E W Van Stryland. High sensitivity single beam n2 Measurements[J]. Opt. Lett., 1989,14:955.