Plasmonic effect on performance of random lasers

Wan Zakiah Wan Ismail; Juliza Jamaludin; Irneza Ismail; Mus'ab Sahrim; Sharma Balakrishnan; Judith Dawes

doi:10.1166/asl.2018.11138

Plasmonic effect on performance of random lasers

Wan Zakiah Wan Ismail^*, Juliza Jamaludin, Irneza Ismail, Mus'ab Sahrim, Sharma Balakrishnan, Judith Dawes

^*Corresponding author for this work

MQ Photonics Research Centre

Research output: Contribution to journal › Article › peer-review

Abstract

We investigated the performance of random dye lasers based on metal-fluorophore distance to study the effect of plasmonics through localized surface plasmons. The silver nanoparticles were coated with various silica thicknesses and mixed with Rhodamine 6G in methanol solution to provide gain to the system. The samples were pumped by a Q-Switched Nd:YAG green laser with nanosecond-pulsewidth and the emission light was collected by a spectrometer. The overlapping of extinction spectra of silver nanoparticles/silver-coated silica nanoparticles with the absorption and/or fluorescence of Rhodamine 6G indicates the localized surface plasmon effects. Increasing the metal-fluorophore distance decreases the localized surface plasmon effects result in increase of lasing threshold and decrease of emission peak intensity.

Original language	English
Pages (from-to)	1689-1693
Number of pages	5
Journal	Advanced Science Letters
Volume	24
Issue number	3
DOIs	https://doi.org/10.1166/asl.2018.11138
Publication status	Published - Mar 2018

Keywords

Random Lasers
Plasmonics
Technique of Lasers and Photonics

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10.1166/asl.2018.11138

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title = "Plasmonic effect on performance of random lasers",

abstract = "We investigated the performance of random dye lasers based on metal-fluorophore distance to study the effect of plasmonics through localized surface plasmons. The silver nanoparticles were coated with various silica thicknesses and mixed with Rhodamine 6G in methanol solution to provide gain to the system. The samples were pumped by a Q-Switched Nd:YAG green laser with nanosecond-pulsewidth and the emission light was collected by a spectrometer. The overlapping of extinction spectra of silver nanoparticles/silver-coated silica nanoparticles with the absorption and/or fluorescence of Rhodamine 6G indicates the localized surface plasmon effects. Increasing the metal-fluorophore distance decreases the localized surface plasmon effects result in increase of lasing threshold and decrease of emission peak intensity.",

keywords = "Random Lasers, Plasmonics, Technique of Lasers and Photonics",

author = "Ismail, {Wan Zakiah Wan} and Juliza Jamaludin and Irneza Ismail and Mus'ab Sahrim and Sharma Balakrishnan and Judith Dawes",

year = "2018",

month = mar,

doi = "10.1166/asl.2018.11138",

language = "English",

volume = "24",

pages = "1689--1693",

journal = "Advanced Science Letters",

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T1 - Plasmonic effect on performance of random lasers

AU - Ismail, Wan Zakiah Wan

AU - Jamaludin, Juliza

AU - Ismail, Irneza

AU - Sahrim, Mus'ab

AU - Balakrishnan, Sharma

AU - Dawes, Judith

PY - 2018/3

Y1 - 2018/3

N2 - We investigated the performance of random dye lasers based on metal-fluorophore distance to study the effect of plasmonics through localized surface plasmons. The silver nanoparticles were coated with various silica thicknesses and mixed with Rhodamine 6G in methanol solution to provide gain to the system. The samples were pumped by a Q-Switched Nd:YAG green laser with nanosecond-pulsewidth and the emission light was collected by a spectrometer. The overlapping of extinction spectra of silver nanoparticles/silver-coated silica nanoparticles with the absorption and/or fluorescence of Rhodamine 6G indicates the localized surface plasmon effects. Increasing the metal-fluorophore distance decreases the localized surface plasmon effects result in increase of lasing threshold and decrease of emission peak intensity.

AB - We investigated the performance of random dye lasers based on metal-fluorophore distance to study the effect of plasmonics through localized surface plasmons. The silver nanoparticles were coated with various silica thicknesses and mixed with Rhodamine 6G in methanol solution to provide gain to the system. The samples were pumped by a Q-Switched Nd:YAG green laser with nanosecond-pulsewidth and the emission light was collected by a spectrometer. The overlapping of extinction spectra of silver nanoparticles/silver-coated silica nanoparticles with the absorption and/or fluorescence of Rhodamine 6G indicates the localized surface plasmon effects. Increasing the metal-fluorophore distance decreases the localized surface plasmon effects result in increase of lasing threshold and decrease of emission peak intensity.

KW - Random Lasers

KW - Plasmonics

KW - Technique of Lasers and Photonics

U2 - 10.1166/asl.2018.11138

DO - 10.1166/asl.2018.11138

M3 - Article

SN - 1936-6612

VL - 24

SP - 1689

EP - 1693

JO - Advanced Science Letters

JF - Advanced Science Letters

IS - 3

ER -

Plasmonic effect on performance of random lasers

Abstract

Keywords

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