Study of the third-order nonlinear optical properties of Fe2O3 nanoparticles using the femtosecond intensity scan technique

Shijia Hua; Kang Du; Heng Wang; Xiaoqi Cui; Wending Zhang; Ting Mei

doi:10.1117/12.2548955

20 December 2019 Study of the third-order nonlinear optical properties of Fe₂O₃ nanoparticles using the femtosecond intensity scan technique

Shijia Hua, Kang Du, Heng Wang, Xiaoqi Cui, Wending Zhang, Ting Mei

Author Affiliations +

Proceedings Volume 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019); 112093R (2019) https://doi.org/10.1117/12.2548955
Event: Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 2019, Xi'an, China

Abstract

We synthesize the Fe₂O₃ nanoparticles (NPs) by a co‐precipitation method and embed them into a polyvinyl alcohol (PVA) film to fabricate the filmy sample. Then we study the third-order nonlinear optical properties of Fe₂O₃ NPs in the form of Fe₂O₃-PVA film, adopting the fs I-scan technique. TPA β=3.44×10^-5m/W and self-focusing γ=3.78×10^-11m² /W of Fe₂O₃ NPs are obtained at 800nm under 35fs pulse excitation. Both the nonlinear absorption and refraction are stronger than these reported previously, indicating this material is a good candidate for all-optical switching, photonic and optoelectronic applications in the future.

Citation Download Citation

Shijia Hua, Kang Du, Heng Wang, Xiaoqi Cui, Wending Zhang, and Ting Mei "Study of the third-order nonlinear optical properties of Fe₂O₃ nanoparticles using the femtosecond intensity scan technique", Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 112093R (20 December 2019); https://doi.org/10.1117/12.2548955

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