Citation:Dragomir, A., McInerney, J. G., Nikogosyan, D. N. and Kazansky, P. G. (2002) 'Two-photon absorption properties of commercial fused silica and germanosilicate glass at 264 nm', Applied Physics Letters, 80(7), pp. 1114-1116. doi: 10.1063/1.1448387
Using high-intensity femtosecond pulses at lambda=264 nm, we have measured the two-photon absorption (TPA) coefficient in three fused silica samples Suprasil, Herasil, Infrasil (Heraeus) and in 3.5 mol % Ge-doped fused silica. While in fused silica samples the TPA coefficient value is about 2x10(-11) cm/W, in germanosilicate glass it equals (42+/-3)x10(-11) cm/W. (C) 2002 American Institute of Physics. (DOI: 10.1063/1.1448387)
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