Terahertz properties of spinel ferrite with varying temperature

Shuting Wu; Jun Zhou; Zhenzhen Ge; Jiajia Qian; Zheng Zhu

doi:10.1117/12.2605692

9 September 2021 Terahertz properties of spinel ferrite with varying temperature

Shuting Wu, Jun Zhou, Zhenzhen Ge, Jiajia Qian, Zheng Zhu

Proceedings Volume 11909, Tenth International Symposium on Ultrafast Phenomena and Terahertz Waves (ISUPTW 2021); 119090W (2021) https://doi.org/10.1117/12.2605692
Event: Tenth International Symposium on Ultrafast Phenomena and Terahertz Waves (ISUPTW 2021), 2021, Chengdu, China

Abstract

Spinel ferrite has the excellent characteristics of high saturation magnetization, high resistivity and low dielectric loss. It plays an important role in signal isolation, circulation, phase shift, frequency limiting, filtering, delay and amplification. So it is of great significance to study the spectral characteristics of spinel ferrite at different temperatures by using terahertz time-domain spectroscopy. The terahertz spectral characteristics of spinel ferrite under the different temperature condition were measured by terahertz time domain spectroscopy system. The transmittance of the power, absorption rate, absorption coefficient and refractive index of spinel ferrite were obtained by calculation. The experimental results show that the transmittance is positively correlated with temperature and the absorption spectrum of the samples increases with the increase of frequency in the 0-1THz band, and the refractive index of spinel ferrite increases with the increase of temperature.

Citation Download Citation

Shuting Wu, Jun Zhou, Zhenzhen Ge, Jiajia Qian, and Zheng Zhu "Terahertz properties of spinel ferrite with varying temperature", Proc. SPIE 11909, Tenth International Symposium on Ultrafast Phenomena and Terahertz Waves (ISUPTW 2021), 119090W (9 September 2021); https://doi.org/10.1117/12.2605692

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