Band-gap-tailored random laser

Hongbo Lu; Jian Xing; Cheng Wei; Jiangying Xia; Junqing Sha; Yunsheng Ding; Guobing Zhang; Kang Xie; Longzhen Qiu; Zhijia Hu

doi:10.1364/PRJ.6.000390

Band-gap-tailored random laser

Hongbo Lu, Jian Xing, Cheng Wei, Jiangying Xia, Junqing Sha, Yunsheng Ding, Guobing Zhang, Kang Xie, Longzhen Qiu, Zhijia Hu^*

^*Corresponding author for this work

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

17 Citations (SciVal)

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Abstract

A band-gap-tailored random laser with a wide tunable range and low threshold through infrared radiation is demonstrated. When fluorescent dyes are doped into the liquid crystal and heavily doped chiral agent system, we demonstrate a wavelength tuning random laser instead of a side-band laser, which is caused by the combined effect of multi-scattering of liquid crystal (LC) and band-gap control. Through rotating the infrared absorbing material on the side of the LC cell, an adjustable range for random lasing of 80 nm by infrared light irradiation was observed.

Original language	English
Pages (from-to)	390-395
Number of pages	6
Journal	Photonics Research
Volume	6
Issue number	5
Early online date	13 Feb 2018
DOIs	https://doi.org/10.1364/PRJ.6.000390
Publication status	Published - 18 Apr 2018

Bibliographical note

Funding

Funding. Natural Science Foundation of Anhui Province, China (1708085MF150); National Natural Science Foundation of China (NSFC) (61107014, 51573036, 11404087, 11574070); China Postdoctoral Science Foundation (2015M571918, 2017T100442); H2020 Marie Skłodowska-Curie Actions (MSCA) (744817); Fundamental Research Funds for the Central Universities, China (JD2017JGPY0006, JZ2017HGTB0187, PA2017GDQT0024).

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10.1364/PRJ.6.000390

Band-gap-tailored random laser
© 2018 Chinese Laser Press
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abstract = "A band-gap-tailored random laser with a wide tunable range and low threshold through infrared radiation is demonstrated. When fluorescent dyes are doped into the liquid crystal and heavily doped chiral agent system, we demonstrate a wavelength tuning random laser instead of a side-band laser, which is caused by the combined effect of multi-scattering of liquid crystal (LC) and band-gap control. Through rotating the infrared absorbing material on the side of the LC cell, an adjustable range for random lasing of 80 nm by infrared light irradiation was observed.",

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AU - Lu, Hongbo

AU - Xing, Jian

AU - Wei, Cheng

AU - Xia, Jiangying

AU - Sha, Junqing

AU - Ding, Yunsheng

AU - Zhang, Guobing

AU - Xie, Kang

AU - Qiu, Longzhen

AU - Hu, Zhijia

PY - 2018/4/18

Y1 - 2018/4/18

N2 - A band-gap-tailored random laser with a wide tunable range and low threshold through infrared radiation is demonstrated. When fluorescent dyes are doped into the liquid crystal and heavily doped chiral agent system, we demonstrate a wavelength tuning random laser instead of a side-band laser, which is caused by the combined effect of multi-scattering of liquid crystal (LC) and band-gap control. Through rotating the infrared absorbing material on the side of the LC cell, an adjustable range for random lasing of 80 nm by infrared light irradiation was observed.

AB - A band-gap-tailored random laser with a wide tunable range and low threshold through infrared radiation is demonstrated. When fluorescent dyes are doped into the liquid crystal and heavily doped chiral agent system, we demonstrate a wavelength tuning random laser instead of a side-band laser, which is caused by the combined effect of multi-scattering of liquid crystal (LC) and band-gap control. Through rotating the infrared absorbing material on the side of the LC cell, an adjustable range for random lasing of 80 nm by infrared light irradiation was observed.

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JO - Photonics Research

JF - Photonics Research

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Band-gap-tailored random laser

Abstract

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