Plasmonic induced triple-band absorber for sensor application

Li, Yulian; An, Bowen; Jiang, Shengming; Gao, Jun; Chen, Yuan-Lin; Pan, Shengda

doi:10.1364/oe.23.017607

Cited by 87 publications

(39 citation statements)

References 30 publications

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“…In Fig. 8b, with increasing the w, the FOM decreases obviously and has a maximum value 6666.67, which is greater than FOM of any previously reported plasmonic refractive index sensor [20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37]. As shown in Fig.…”

Section: Resultsmentioning

confidence: 63%

“…7d, the sensitivity (S) of the sensor is 2400 nm/RIU, while FWHMs can be narrower than 0.5 nm. Therefore, the FOM of the plasmonic sensor can reach 4800, which is improved remarkably compared to any previously reported plasmonic metamaterial structure [20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37].…”

Section: Resultsmentioning

confidence: 83%

“…Thus, it is very meaningful to design an ultra-high FOM refractive index sensor with a simple structure. Unfortunately, the previously reported plasmonic sensors based on metamaterial structure generally have a relatively low FOM <600 [22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39], which will severely limit their further development and application. Shen designed a gold mushroom array structure with a narrow FWHM of 10 nm and a high FOM of 108 [22].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Infrared Perfect Ultra-narrow Band Absorber as Plasmonic Sensor

Liu

2016

Asia Communications and Photonics Conference 2016

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We propose and numerically investigate a novel perfect ultra-narrow band absorber based on a metal-dielectric-metaldielectric-metal periodic structure working at near-infrared region, which consists of a dielectric layer sandwiched by a metallic nanobar array and a thin gold film over a dielectric layer supported by a metallic film. The absorption efficiency and ultra-narrow band of the absorber are about 98 % and 0.5 nm, respectively. The high absorption is contributed to localized surface plasmon resonance, which can be influenced by the structure parameters and the refractive index of dielectric layer. Importantly, the ultra-narrow band absorber shows an excellent sensing performance with a high sensitivity of 2400 nm/RIU and an ultra-high figure of merit of 4800. The FOM of refractive index sensor is significantly improved, compared with any previously reported plasmonic sensor. The influences of structure parameters on the sensing performance are also investigated, which will have a great guiding role to design high-performance refractive index sensors. The designed structure has huge potential in sensing application.

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Section: Resultsmentioning

confidence: 63%

Section: Resultsmentioning

confidence: 83%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Infrared Perfect Ultra-narrow Band Absorber as Plasmonic Sensor

Liu

2016

Asia Communications and Photonics Conference 2016

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“…[6][7][8][9] However, these absorbers are usually backed by a metallic plate. [10][11][12][13] The usual function of metallic backing is to provide electric boundary condition for incident plane wave, and enables to create magnetic resonance. Besides, it is used to avoid power transmission on the other side of the absorber.…”

Section: Introductionmentioning

confidence: 99%

A reflective-backing-free metamaterial absorber with broadband response

Wang

et al. 2017

J. Adv. Dielect.

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In this paper, we propose a polarization-independent and broadband perfect infrared (IR) metamaterial absorber (MA) without reflective backing. The proposed absorber is a periodic meta-atom array consisting of metal-dielectric-multilayer truncated cones which can absorb 80% EM wave from 50.70 to 81.87 THz, while transmit 80% EM wave from 0 to 37.71 THz. With the decreasing of frequency, the transmissivity increases, which is close to 100% from 0 to 5 THz. We can broaden the absorption bandwidth of the MA by cascading multi-layers truncated cones. Furthermore, the proposed IR MA promises to be one desirable stealth material for radar-IR compatibility.

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“…Lu proposed a nanolit microcavity-based structure and demonstrated a narrower FWHM of 8 nm and a FOM of 25 [25]. Li designed and investigated a plasmonic sensor with a FOM of 120 based triple-band metamaterial [26]. Recently, Srekanth proposed a plasmonic refractive index sensor based on a hyperbolic metamaterial with a FOM of 590 [27].…”

Section: Introductionmentioning

confidence: 99%

Infrared Perfect Ultra-narrow Band Absorber as Plasmonic Sensor

Liu

et al. 2016

Nanoscale Res Lett

View full text Add to dashboard Cite

We propose and numerically investigate a novel perfect ultra-narrow band absorber based on a metal-dielectric-metal-dielectric-metal periodic structure working at near-infrared region, which consists of a dielectric layer sandwiched by a metallic nanobar array and a thin gold film over a dielectric layer supported by a metallic film. The absorption efficiency and ultra-narrow band of the absorber are about 98 % and 0.5 nm, respectively. The high absorption is contributed to localized surface plasmon resonance, which can be influenced by the structure parameters and the refractive index of dielectric layer. Importantly, the ultra-narrow band absorber shows an excellent sensing performance with a high sensitivity of 2400 nm/RIU and an ultra-high figure of merit of 4800. The FOM of refractive index sensor is significantly improved, compared with any previously reported plasmonic sensor. The influences of structure parameters on the sensing performance are also investigated, which will have a great guiding role to design high-performance refractive index sensors. The designed structure has huge potential in sensing application.

show abstract

Plasmonic induced triple-band absorber for sensor application

Cited by 87 publications

References 30 publications

Infrared Perfect Ultra-narrow Band Absorber as Plasmonic Sensor

Infrared Perfect Ultra-narrow Band Absorber as Plasmonic Sensor

A reflective-backing-free metamaterial absorber with broadband response

Infrared Perfect Ultra-narrow Band Absorber as Plasmonic Sensor

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