Far-infrared characteristics of NaCl and alkali halide

Te Ji; Zeng-yan Zhang; Min Chen; Ti-qiao Xiao

doi:10.1117/12.2034616

23 August 2013 Far-infrared characteristics of NaCl and alkali halide

Te Ji, Zeng-yan Zhang, Min Chen, Ti-qiao Xiao

Proceedings Volume 8909, International Symposium on Photoelectronic Detection and Imaging 2013: Terahertz Technologies and Applications; 89090Z (2013) https://doi.org/10.1117/12.2034616
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

The optical and dielectric properties of NaCl and alkali halide are studied by Terahertz time-domain spectroscopy (THz-TDS) technique from 0.3 THz to 1.4 THz. The absorption spectral features of measured samples are discussed based on their characteristic and common features. Further, the measured complex refractive index and dielectric functions of NaCl are well fitted by a standard Lorentz model. Theoretical calculations indicate that characteristic phonon resonance of NaCl is dominated by the transverse optical phonon mode at 5.10 THz.

Citation Download Citation

Te Ji, Zeng-yan Zhang, Min Chen, and Ti-qiao Xiao "Far-infrared characteristics of NaCl and alkali halide", Proc. SPIE 8909, International Symposium on Photoelectronic Detection and Imaging 2013: Terahertz Technologies and Applications, 89090Z (23 August 2013); https://doi.org/10.1117/12.2034616

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