Loss induced negative refraction and super-prism effect at highly absorptive interface

doi:10.1088/1674-1056/28/5/054201

中国物理B ›› 2019, Vol. 28 ›› Issue (5): 54201-054201.doi: 10.1088/1674-1056/28/5/054201

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Loss induced negative refraction and super-prism effect at highly absorptive interface

Jian Wu(吴坚), Tao Wang(王涛), Tianyue Hou(侯天悦), Xuefen Kan(阚雪芬), Cheng Yin(殷澄), Pu Zhou(周朴), Zhuangqi Cao(曹庄琪)

1 College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China;
2 Jiangsu Key Laboratory of Power Transmission and Distribution Equipment Technology, Hohai University, Changzhou 213022, China;
3 College of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China;
4 Hunan Provincial Key Laboratory of High Energy Laser Technology, Changsha 410073, China

收稿日期:2018-10-09 修回日期:2019-01-16 出版日期:2019-05-05 发布日期:2019-05-05
通讯作者: Jian Wu, Pu Zhou E-mail:wujian15203@163.com;zhoupu203@163.com
基金资助:
Project supported by the China Postdoctoral Science Foundation (Grant No. 2016M601586), the National Natural Science Foundation of China (Grant No. 11404092), and the Opening Funding of Hunan Provincial Key Laboratory of High Energy Laser Technology, China (Grant No. GNJGJS07).

Loss induced negative refraction and super-prism effect at highly absorptive interface

Jian Wu(吴坚)^1,4, Tao Wang(王涛)¹, Tianyue Hou(侯天悦)¹, Xuefen Kan(阚雪芬)², Cheng Yin(殷澄)^2,3,4, Pu Zhou(周朴)¹, Zhuangqi Cao(曹庄琪)³

1 College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China;
2 Jiangsu Key Laboratory of Power Transmission and Distribution Equipment Technology, Hohai University, Changzhou 213022, China;
3 College of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China;
4 Hunan Provincial Key Laboratory of High Energy Laser Technology, Changsha 410073, China

Received:2018-10-09 Revised:2019-01-16 Online:2019-05-05 Published:2019-05-05
Contact: Jian Wu, Pu Zhou E-mail:wujian15203@163.com;zhoupu203@163.com
Supported by:
Project supported by the China Postdoctoral Science Foundation (Grant No. 2016M601586), the National Natural Science Foundation of China (Grant No. 11404092), and the Opening Funding of Hunan Provincial Key Laboratory of High Energy Laser Technology, China (Grant No. GNJGJS07).

摘要/Abstract

摘要： It is well-established that waves are inhomogeneous in a lossy isotropic medium, and the validation of the classical Snell's law is still questionable for light refraction at the dissipative and dispersive interface. With high absorption, direct experimental investigation is rather difficult due to the extremely short penetration depth; i.e., the skin depth. In this paper, a simple and unified description of this issue is proposed, which can be applied to both materials with anomalous dispersion and in the Drude region. The gradient ▽_kω is found to be incident angle θ_i-dependent, and the direction of the group velocity may deviate significantly from the phase velocity due to the loss induced permittivity structure. The physics behind the negative refraction effect is explained, and a novel loss induced super-prism effect is also predicted.

关键词: Snell', s Law, Drude model, anomalous dispersion, lossy isotropic media

Abstract: It is well-established that waves are inhomogeneous in a lossy isotropic medium, and the validation of the classical Snell's law is still questionable for light refraction at the dissipative and dispersive interface. With high absorption, direct experimental investigation is rather difficult due to the extremely short penetration depth; i.e., the skin depth. In this paper, a simple and unified description of this issue is proposed, which can be applied to both materials with anomalous dispersion and in the Drude region. The gradient ▽_kω is found to be incident angle θ_i-dependent, and the direction of the group velocity may deviate significantly from the phase velocity due to the loss induced permittivity structure. The physics behind the negative refraction effect is explained, and a novel loss induced super-prism effect is also predicted.

Key words: Snell', s Law, Drude model, anomalous dispersion, lossy isotropic media

中图分类号: (Wave propagation, transmission and absorption)

42.25.Bs

41.85.Ct (Particle beam shaping, beam splitting) 42.79.Bh (Lenses, prisms and mirrors)

吴坚, 王涛, 侯天悦, 阚雪芬, 殷澄, 周朴, 曹庄琪. Loss induced negative refraction and super-prism effect at highly absorptive interface[J]. 中国物理B, 2019, 28(5): 54201-054201.

Jian Wu(吴坚), Tao Wang(王涛), Tianyue Hou(侯天悦), Xuefen Kan(阚雪芬), Cheng Yin(殷澄), Pu Zhou(周朴), Zhuangqi Cao(曹庄琪). Loss induced negative refraction and super-prism effect at highly absorptive interface[J]. Chin. Phys. B, 2019, 28(5): 54201-054201.

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Loss induced negative refraction and super-prism effect at highly absorptive interface

Loss induced negative refraction and super-prism effect at highly absorptive interface

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