Abstract
In this paper we report measurements of nonlinear absorption and optical self-action (self-focusing) in 4-methyl benzylidene 4’-n-butylaniline (MEBBA) with picosecond pulses at 0.53 μm and 1.06 μm. P2, the second critical power for self-focusing [1], was measured as a function of pulsewidth (37 to 150 psec FWHM) and polarization state at 0.53 and 1.06 μm. This material, a new liquid crystal, was found to have a critical power lower than CS2 for 125 psec pulses at 0.53 μm (indicating that n2 is larger than that for CS2).
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Soileau, M.J. et al. (1984). Nonlinear Absorption and Nonlinear Refraction Studies in MEBBA. In: Auston, D.H., Eisenthal, K.B. (eds) Ultrafast Phenomena IV. Springer Series in Chemical Physics, vol 38. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82378-7_57
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DOI: https://doi.org/10.1007/978-3-642-82378-7_57
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