Design and analysis of pseudo-Bessel beam shapers at THz

Yanzhong Yu; Qingquan Hong; Musheng Chen

doi:10.1117/12.834461

4 August 2009 Design and analysis of pseudo-Bessel beam shapers at THz

Yanzhong Yu, Qingquan Hong, Musheng Chen

Proceedings Volume 7385, International Symposium on Photoelectronic Detection and Imaging 2009: Terahertz and High Energy Radiation Detection Technologies and Applications; 738515 (2009) https://doi.org/10.1117/12.834461
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

Based on binary optical ideas, the beam shapers are designed for producing pseudo-Bessel beams at THz. In order to analyze precisely the properties of pseudo-Bessel beams generated by the designed shapers, a rigorous electromagnetic calculation method is employed. This is to associate a two-dimensional finite-difference time-domain (2-D FDTD) method, for determining the fields diffracted by the beam shapers in the near region, with Stratton-Chu formula (SCF), for compute the fields in the far region. The numerical results and conclusions are given in our paper.

Citation Download Citation

Yanzhong Yu, Qingquan Hong, and Musheng Chen "Design and analysis of pseudo-Bessel beam shapers at THz", Proc. SPIE 7385, International Symposium on Photoelectronic Detection and Imaging 2009: Terahertz and High Energy Radiation Detection Technologies and Applications, 738515 (4 August 2009); https://doi.org/10.1117/12.834461

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