Magnetically tunable random lasing from polymer dispersed liquid crystal doped ferromagnetic nanoparticles in capillary

Magnetically tunable random lasing from polymer dispersed liquid crystal doped ferromagnetic nanoparticles in capillary

In this paper, magnetically tunable random lasing from a polymer dispersed liquid crystal (PDLC) in a capillary was achieved by means of doping with magnetic nanoparticles (MNPs). We experimentally explored the effects of the concentration of MNPs and the amplitude and direction of the magnetic fiel...

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Main Authors: H. T. Dai, M. N. Gao, Y. X. Xue, A. X. Xiao, A. Ahmad, Z. Mohamed, C. L. Liu, Q. Lu, S. Z. Feng
Format: Article
Language:English
Published: AIP Publishing LLC 2019-11-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.5120438
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spelling doaj-2a864db085bc429386a1932afe1425c82020-11-25T01:21:17ZengAIP Publishing LLCAIP Advances2158-32262019-11-01911115015115015-610.1063/1.5120438Magnetically tunable random lasing from polymer dispersed liquid crystal doped ferromagnetic nanoparticles in capillaryH. T. Dai0M. N. Gao1Y. X. Xue2A. X. Xiao3A. Ahmad4Z. Mohamed5C. L. Liu6Q. Lu7S. Z. Feng8Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Science, Tianjin University, Tianjin 300072, ChinaTianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Science, Tianjin University, Tianjin 300072, ChinaTianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Science, Tianjin University, Tianjin 300072, ChinaTianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Science, Tianjin University, Tianjin 300072, ChinaTianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Science, Tianjin University, Tianjin 300072, ChinaTianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Science, Tianjin University, Tianjin 300072, ChinaTianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Science, Tianjin University, Tianjin 300072, ChinaSchool of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, ChinaAnHui Zhongyi New Materials Technology Company, AnHui 239500, ChinaIn this paper, magnetically tunable random lasing from a polymer dispersed liquid crystal (PDLC) in a capillary was achieved by means of doping with magnetic nanoparticles (MNPs). We experimentally explored the effects of the concentration of MNPs and the amplitude and direction of the magnetic field on the emission properties of random lasing, such as threshold, envelope of the emission spectrum, and intensities. The related mechanism was also investigated theoretically. Experimental results also showed that weakly tuned effects appeared from the sample with a polymer or pure liquid crystal (LC) doped with MNPs in comparison with PDLCs. Our research would provide an additional way to achieve tunable compact LC-based lasers.http://dx.doi.org/10.1063/1.5120438
collection DOAJ
language English
format Article
sources DOAJ
author H. T. Dai
M. N. Gao
Y. X. Xue
A. X. Xiao
A. Ahmad
Z. Mohamed
C. L. Liu
Q. Lu
S. Z. Feng
spellingShingle H. T. Dai
M. N. Gao
Y. X. Xue
A. X. Xiao
A. Ahmad
Z. Mohamed
C. L. Liu
Q. Lu
S. Z. Feng
Magnetically tunable random lasing from polymer dispersed liquid crystal doped ferromagnetic nanoparticles in capillary
AIP Advances
author_facet H. T. Dai
M. N. Gao
Y. X. Xue
A. X. Xiao
A. Ahmad
Z. Mohamed
C. L. Liu
Q. Lu
S. Z. Feng
author_sort H. T. Dai
title Magnetically tunable random lasing from polymer dispersed liquid crystal doped ferromagnetic nanoparticles in capillary
title_short Magnetically tunable random lasing from polymer dispersed liquid crystal doped ferromagnetic nanoparticles in capillary
title_full Magnetically tunable random lasing from polymer dispersed liquid crystal doped ferromagnetic nanoparticles in capillary
title_fullStr Magnetically tunable random lasing from polymer dispersed liquid crystal doped ferromagnetic nanoparticles in capillary
title_full_unstemmed Magnetically tunable random lasing from polymer dispersed liquid crystal doped ferromagnetic nanoparticles in capillary
title_sort magnetically tunable random lasing from polymer dispersed liquid crystal doped ferromagnetic nanoparticles in capillary
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2019-11-01
description In this paper, magnetically tunable random lasing from a polymer dispersed liquid crystal (PDLC) in a capillary was achieved by means of doping with magnetic nanoparticles (MNPs). We experimentally explored the effects of the concentration of MNPs and the amplitude and direction of the magnetic field on the emission properties of random lasing, such as threshold, envelope of the emission spectrum, and intensities. The related mechanism was also investigated theoretically. Experimental results also showed that weakly tuned effects appeared from the sample with a polymer or pure liquid crystal (LC) doped with MNPs in comparison with PDLCs. Our research would provide an additional way to achieve tunable compact LC-based lasers.
url http://dx.doi.org/10.1063/1.5120438
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