Please use this identifier to cite or link to this item:
https://hdl.handle.net/10356/138666
Title: | Normal doppler frequency shift in negative refractive‐index systems | Authors: | Lin, Xiao Zhang, Baile |
Keywords: | Science::Physics | Issue Date: | 2019 | Source: | Lin, X., & Zhang, B. (2019). Normal doppler frequency shift in negative refractive‐index systems. Laser and Photonics Reviews, 13(12), 1900081-. doi:10.1002/lpor.201900081 | Journal: | Laser and Photonics Reviews | Abstract: | Besides the well‐known negative refraction, a negative refractive‐index material can exhibit another two hallmark features, which are the inverse Doppler effect and backward Cherenkov radiation. The former is known as the motion‐induced frequency shift that is contrary to the normal Doppler effect, and the latter refers to the Cherenkov radiation whose cone direction is opposite to the source's motion. Here these two features are combined and the Doppler effect inside the backward Cherenkov cone is discussed. It is revealed that the Doppler effect is not always inversed but can be normal in negative refractive‐index systems. A previously un‐reported phenomenon of normal Doppler frequency shift is proposed in a regime inside the backward Cherenkov cone, when the source's velocity is two times faster than the phase velocity of light. A realistic metal–insulator–metal structure, which supports metal plasmons with an effective negative refractive index, is adopted to demonstrate the potential realization of this phenomenon. | URI: | https://hdl.handle.net/10356/138666 | ISSN: | 1863-8880 | DOI: | 10.1002/lpor.201900081 | DOI (Related Dataset): | 10.21979/N9/HBE8U3 | Schools: | School of Physical and Mathematical Sciences | Organisations: | Centre for Disruptive Photonic Technologies | Rights: | This is the peer reviewed version of the following article: Lin, X., & Zhang, B. (2019). Normal doppler frequency shift in negative refractive‐index systems. Laser and Photonics Reviews, 13(12), 1900081-. doi:10.1002/lpor.201900081, which has been published in final form at https://doi.org/10.1002/lpor.201900081. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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Manuscript - 副本.pdf | 921.16 kB | Adobe PDF | View/Open |
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