Two-photon absorption properties of commercial fused silica and germanosilicate glass at 264 nm
- 18 February 2002
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 80 (7) , 1114-1116
- https://doi.org/10.1063/1.1448387
Abstract
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: 10.1063/1.1448387Keywords
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