Localized surface plasmon resonance improved lasing performance of Ag nanoparticles/organic dye random laser

Li, Long; He, Daisi; Bao, Weiying; Feng, Menglei; Zhang, Peng; Zhang, Dingke; Chen, Shijian

doi:10.1016/j.jallcom.2016.09.246

Cited by 41 publications

(14 citation statements)

References 17 publications

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“…Long et al used the electric field enhancement visualization of silver nanospheres to investigate the lasing emission enhancement at the exciting wavelengths. The simulations confirmed the coupling between the plasmonic resonance of the silver nanosphere and the laser emission [91]. Sun et al [92] analyzed the electric field enhancement of gold-silver core-shell nanorods deposited on different thicknesses of a PMMA layer.…”

Section: Finite Difference Time Domain (Fdtd) Simulationsmentioning

confidence: 68%

Design and realization of light absorbers using plasmonic nanoparticles

Escoubas

Carlberg

Rouzo

et al. 2019

Progress in Quantum Electronics

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HAL is a multidisciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

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Section: Finite Difference Time Domain (Fdtd) Simulationsmentioning

confidence: 68%

Design and realization of light absorbers using plasmonic nanoparticles

Escoubas

Carlberg

Rouzo

et al. 2019

Progress in Quantum Electronics

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“…In addition, metallic nanoparticles (NPs) with periodic arrangement can act as a grating and lead to distributed feedback lasers by the effects of enhanced localized surface plasmon resonance and scattering [ 22 , 23 , 24 , 25 ]. The plasmonic resonance of metallic nanoparticles shows effects on random lasing output from visible to near-infrared ranges due to the enhancement of SPR and scattering in microcavities [ 26 , 27 , 28 , 29 , 30 , 31 ]. At the same time, the lasing emission efficiency and absorbance of gain materials are improved by the NPs.…”

Section: Introductionmentioning

confidence: 99%

Large-Area Biocompatible Random Laser for Wearable Applications

Guo

et al. 2021

Nanomaterials

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Recently, wearable sensor technology has drawn attention to many health-related appliances due to its varied existing optical, electrical, and mechanical applications. Similarly, we have designed a simple and cheap lift-off fabrication technique for the realization of large-area biocompatible random lasers to customize wearable sensors. A large-area random microcavity comprises a matrix element polymethyl methacrylate (PMMA) in which rhodamine B (RhB, which acts as a gain medium) and gold nanorods (Au NRs, which offer plasmonic feedback) are incorporated via a spin-coating technique. In regards to the respective random lasing device residing on a heterogenous film (area > 100 cm2), upon optical excitation, coherent random lasing with a narrow linewidth (~0.4 nm) at a low threshold (~23 μJ/cm2 per pulse) was successfully attained. Here, we maneuvered the mechanical flexibility of the device to modify the spacing between the feedback agents (Au NRs), which tuned the average wavelength from 612.6 to 624 nm under bending while being a recoverable process. Moreover, the flexible film can potentially be used on human skin such as the finger to serve as a motion and relative-humidity sensor. This work demonstrates a designable and simple method to fabricate a large-area biocompatible random laser for wearable sensing.

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“…Furthermore, random lasers can be coherent or incoherent depending on whether the scattered light makes a closed round trip in the gain medium . A great variety of multiple scattering media, such as metal nanomaterials, − semiconductors, , dielectric materials, − and even biological materials, − have been used as scatterers for random lasing.…”

Section: Introductionmentioning

confidence: 99%

Lotus-Leaf-Inspired Flexible and Tunable Random Laser

Líu

et al. 2020

ACS Appl. Mater. Interfaces

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We describe herein a flexible and tunable random laser made from a flexible poly(dimethylsiloxane) substrate. The substrate is prepared by casting via soft lithography from a lotus leaf to produce a micropapilla surface structure similar to that of a lotus leaf. The micropapilla provides efficient multiple scattering for the photons generated in the gain medium, and random lasing emerges because photons undergo closed-loop paths by scattering from three equilaterally arranged micropapillae. Given the diverse distribution of microscale features on the soft substrate, the random laser spectrum can be tuned by as much as 26.0 nm by changing the pump position. Furthermore, the random laser can be easily tuned by about 14 nm by flexing it, which modifies the micropapilla density and thereby changes the reabsorption strength of the laser dye. The photostability of the random laser is ensured by sealing the gain medium (i.e., dye solution) in a closed system. The results provide a promising method to realize a variety of laser-based applications such as optical biosensors on chips, microscale structural alteration detectors, flexible wearable devices, and multicolor (even white) random lasers.

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Localized surface plasmon resonance improved lasing performance of Ag nanoparticles/organic dye random laser

Cited by 41 publications

References 17 publications

Design and realization of light absorbers using plasmonic nanoparticles

Design and realization of light absorbers using plasmonic nanoparticles

Large-Area Biocompatible Random Laser for Wearable Applications

Lotus-Leaf-Inspired Flexible and Tunable Random Laser

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