The propagation simulation of terahertz wave in PC materials

Jiyang Zhang; Lijuan Li; Jiaojiao Ren; Dandan Zhang; Jian Gu

doi:10.1117/12.2537637

18 November 2019 The propagation simulation of terahertz wave in PC materials

Jiyang Zhang, Lijuan Li, Jiaojiao Ren, Dandan Zhang, Jian Gu

Proceedings Volume 11196, Infrared, Millimeter-Wave, and Terahertz Technologies VI; 111960H (2019) https://doi.org/10.1117/12.2537637
Event: SPIE/COS Photonics Asia, 2019, Hangzhou, China

Abstract

PC materials have been widely used in medical equipment, automotive manufacturing, aerospace, electronics and other fields, and its thickness detection has become an important part of its quality control. In this paper, based on the thickness detection requirements of PC materials, the propagation characteristics of THz waves in PC materials are simulated, and a pulsed terahertz reflection system is built. The PC materials of different thicknesses are sampled and their single-point waveforms are obtained as actual detection signals. Using the deconvoluted air signal as input, the optical parameters of PC material extracted by transmissive method, the propagation simulation model of THz wave in different thickness PC materials is established, and the simulation waveform is simulated from three aspects: flight time, waveform and amplitude. Compare and analyze the actual detected waveform.

Citation Download Citation

Jiyang Zhang, Lijuan Li, Jiaojiao Ren, Dandan Zhang, and Jian Gu "The propagation simulation of terahertz wave in PC materials", Proc. SPIE 11196, Infrared, Millimeter-Wave, and Terahertz Technologies VI, 111960H (18 November 2019); https://doi.org/10.1117/12.2537637

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