Tunable Ultraviolet Second Harmonics Generation Pumped by Supercontinuum Laser

This paper presents the first systematic study on second harmonics generation based on a supercontinuum source. We analyzed the effect of the supercontinuum beam diameter and the crystal length to generate second harmonics. The walk-off effect on the second harmonics was also investigated; the effic...

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Autores principales:	Liang Chen, Meisong Liao, Xia Li, Penwen Kuan, Wanjun Bi, Tianxing Wang, Weiqing Gao, Lili Hu
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2022
Materias:	Ultraviolet tunable second harmonics generation supercontinuum Applied optics. Photonics TA1501-1820 Optics. Light QC350-467
Acceso en línea:	https://doaj.org/article/6897841346334ef39a62b20f6251af15
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spelling	oai:doaj.org-article:6897841346334ef39a62b20f6251af152021-11-30T00:00:12ZTunable Ultraviolet Second Harmonics Generation Pumped by Supercontinuum Laser1943-065510.1109/JPHOT.2021.3128413https://doaj.org/article/6897841346334ef39a62b20f6251af152022-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9616471/https://doaj.org/toc/1943-0655This paper presents the first systematic study on second harmonics generation based on a supercontinuum source. We analyzed the effect of the supercontinuum beam diameter and the crystal length to generate second harmonics. The walk-off effect on the second harmonics was also investigated; the efficiency was limited by the walk-off, and the beam of the second harmonic was out of shape. A tunable ultraviolet in the range of 285–340 nm is obtained with the pump of a visible supercontinuum, which is generated by a laser with an all-fiber device. The results provide a theoretical basis for the improvement of the second harmonic power and optimization of the crystal and beam diameters. A potentially tunable ultraviolet with a power exceeding 10 mW can be obtained by a high-power supercontinuum pump.Liang ChenMeisong LiaoXia LiPenwen KuanWanjun BiTianxing WangWeiqing GaoLili HuIEEEarticleUltraviolettunablesecond harmonics generationsupercontinuumApplied optics. PhotonicsTA1501-1820Optics. LightQC350-467ENIEEE Photonics Journal, Vol 14, Iss 1, Pp 1-7 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ultraviolet tunable second harmonics generation supercontinuum Applied optics. Photonics TA1501-1820 Optics. Light QC350-467
spellingShingle	Ultraviolet tunable second harmonics generation supercontinuum Applied optics. Photonics TA1501-1820 Optics. Light QC350-467 Liang Chen Meisong Liao Xia Li Penwen Kuan Wanjun Bi Tianxing Wang Weiqing Gao Lili Hu Tunable Ultraviolet Second Harmonics Generation Pumped by Supercontinuum Laser
description	This paper presents the first systematic study on second harmonics generation based on a supercontinuum source. We analyzed the effect of the supercontinuum beam diameter and the crystal length to generate second harmonics. The walk-off effect on the second harmonics was also investigated; the efficiency was limited by the walk-off, and the beam of the second harmonic was out of shape. A tunable ultraviolet in the range of 285–340 nm is obtained with the pump of a visible supercontinuum, which is generated by a laser with an all-fiber device. The results provide a theoretical basis for the improvement of the second harmonic power and optimization of the crystal and beam diameters. A potentially tunable ultraviolet with a power exceeding 10 mW can be obtained by a high-power supercontinuum pump.
format	article
author	Liang Chen Meisong Liao Xia Li Penwen Kuan Wanjun Bi Tianxing Wang Weiqing Gao Lili Hu
author_facet	Liang Chen Meisong Liao Xia Li Penwen Kuan Wanjun Bi Tianxing Wang Weiqing Gao Lili Hu
author_sort	Liang Chen
title	Tunable Ultraviolet Second Harmonics Generation Pumped by Supercontinuum Laser
title_short	Tunable Ultraviolet Second Harmonics Generation Pumped by Supercontinuum Laser
title_full	Tunable Ultraviolet Second Harmonics Generation Pumped by Supercontinuum Laser
title_fullStr	Tunable Ultraviolet Second Harmonics Generation Pumped by Supercontinuum Laser
title_full_unstemmed	Tunable Ultraviolet Second Harmonics Generation Pumped by Supercontinuum Laser
title_sort	tunable ultraviolet second harmonics generation pumped by supercontinuum laser
publisher	IEEE
publishDate	2022
url	https://doaj.org/article/6897841346334ef39a62b20f6251af15
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_version_	1718406868082098176

Tunable Ultraviolet Second Harmonics Generation Pumped by Supercontinuum Laser

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