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Information Journal Paper

Title

Adjustable Plasmonic Bandgap in One-Dimensional Nanograting Based on Localized and Propagating Surface Plasmons

Pages

  97-102

Abstract

 Compared to the long history of plasmonic gratings, there are only a few studies regarding the bandgap in the propagation of plasmonic surface waves. Considering the previous studies on interpretation of plasmonic bandgap formation, we discuss this phenomenon using the effect of both surface plasmon polariton (SPP) and localized surface plasmon (LSP) for our fabricated onedimensional metallic-polymeric grating. This structure is composed of metallic grating on the surface of PDMS with different concentration of embedded gold nanoparticles. By sweeping the incident angles, we have seen that the SPP, LSP and their coupling cause two gaps in reflection regime which are originated from SPP supported by thin film gold film and LSP supported by gold nanoparticles. The first gap is attributed to the patterned metallic film because it vanishes by increasing the nanoparticles which may destroy the pattern while the second gap can be formed by embedded nanoparticles because it becomes more considerable by raising the incubation time. Therefore, the drowning time of patterned samples (e. g. 24h, 48h, and 72h) in HAuCl4 plays the key role in adjustability of plasmonic bandgap. Notably, the interaction between SPP and LSP can be the origin of the shift in gap center from 300 to 550. To best of over knowledge, this study is the first study on the plasmonic band gap as a function of both SPP and LSP.

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    APA: Copy

    Sohrabi, Foozieh, & HAMIDI, SEYEDEH MEHRI. (2019). Adjustable Plasmonic Bandgap in One-Dimensional Nanograting Based on Localized and Propagating Surface Plasmons. INTERNATIONAL JOURNAL OF OPTICS AND PHOTONICS (IJOP), 13(2), 97-102. SID. https://sid.ir/paper/307272/en

    Vancouver: Copy

    Sohrabi Foozieh, HAMIDI SEYEDEH MEHRI. Adjustable Plasmonic Bandgap in One-Dimensional Nanograting Based on Localized and Propagating Surface Plasmons. INTERNATIONAL JOURNAL OF OPTICS AND PHOTONICS (IJOP)[Internet]. 2019;13(2):97-102. Available from: https://sid.ir/paper/307272/en

    IEEE: Copy

    Foozieh Sohrabi, and SEYEDEH MEHRI HAMIDI, “Adjustable Plasmonic Bandgap in One-Dimensional Nanograting Based on Localized and Propagating Surface Plasmons,” INTERNATIONAL JOURNAL OF OPTICS AND PHOTONICS (IJOP), vol. 13, no. 2, pp. 97–102, 2019, [Online]. Available: https://sid.ir/paper/307272/en

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