Nonlinear refractive index measurement with temporal phase reconstruction (Conference Presentation)

Piotr Kabacinski; Tomasz Michal Kardas; Michal Wierzbicki; Czeslaw Radzewicz

doi:10.1117/12.2319104

5 April 2018 Nonlinear refractive index measurement with temporal phase reconstruction (Conference Presentation)

Piotr Kabacinski, Tomasz Michal Kardas, Michal Wierzbicki, Czeslaw Radzewicz

Proceedings Volume 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII; 105160I (2018) https://doi.org/10.1117/12.2319104
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

A simple scheme for nonlinear refractive index measurement via FROG reconstruction is presented. Samples are measured in weakly focused beam of uJ-level 200 fs pulses. Computing intensity profile and temporal phase for a situation with and without the sample in the beam path yields SPM-induced phase contribution. Through fitting of that phase to intensity profile, n2 of a measured material can be directly calculated. Different optical materials have been measured (fused silica, calcite, YVO4, BiBO, YAG, CaF2) and are shown to agree well with literature.

Conference Presentation

Citation Download Citation

Piotr Kabacinski, Tomasz Michal Kardas, Michal Wierzbicki, and Czeslaw Radzewicz "Nonlinear refractive index measurement with temporal phase reconstruction (Conference Presentation)", Proc. SPIE 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII, 105160I (5 April 2018); https://doi.org/10.1117/12.2319104

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