Over 400 W graded-index fiber Raman laser with brightness enhancement

Chenchen Fan; Yizhu Chen; Tianfu Yao; Hu Xiao; Jiangming Xu; Jinyong Leng; Pu Zhou; Alexey A. Wolf; Ilya N. Nemov; Alexey G. Kuznetsov; Sergey I. Kablukov; Sergey A. Babin

doi:10.1364/OE.427605

Over 400 W graded-index fiber Raman laser with brightness enhancement

Chenchen Fan, Yizhu Chen, Tianfu Yao, Hu Xiao, Jiangming Xu, Jinyong Leng, Pu Zhou, Alexey A. Wolf, Ilya N. Nemov, Alexey G. Kuznetsov, Sergey I. Kablukov, Sergey A. Babin

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

Аннотация

The power scaling on all-fiberized Raman fiber oscillator with brightness enhancement (BE) based on multimode graded-index (GRIN) fiber is demonstrated. Thanks to beam cleanup of GRIN fiber itself and single-mode selection properties of the fiber Bragg gratings inscribed in the center of GRIN fiber, the efficient BE is realized. For the laser cavity with single OC FBG, continuous-wave power of 334 W with an M² value of 2.8 and BE value of 5.6 were obtained at a wavelength of 1120 nm with an optical-to-optical efficiency of 49.6%. Furthermore, the cavity reflectivity is increased by employing two OC FBGs to scale the output power up to 443 W, while the corresponding M² is 3.5 with BE of 4.2. To our best knowledge, it is the highest power in Raman oscillator based on GRIN fiber.

Язык оригинала	английский
Страницы (с-по)	19441-19449
Число страниц	9
Журнал	Optics Express
Том	29
Номер выпуска	13
DOI	https://doi.org/10.1364/OE.427605
Состояние	Опубликовано - 21 июн. 2021

Предметные области OECD FOS+WOS

1.03 ФИЗИЧЕСКИЕ НАУКИ И АСТРОНОМИЯ
1.03.SY ОПТИКА

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10.1364/OE.427605

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@article{899f6d0fbfe94dfc904a12444be59c4a,

title = "Over 400 W graded-index fiber Raman laser with brightness enhancement",

abstract = "The power scaling on all-fiberized Raman fiber oscillator with brightness enhancement (BE) based on multimode graded-index (GRIN) fiber is demonstrated. Thanks to beam cleanup of GRIN fiber itself and single-mode selection properties of the fiber Bragg gratings inscribed in the center of GRIN fiber, the efficient BE is realized. For the laser cavity with single OC FBG, continuous-wave power of 334 W with an M2 value of 2.8 and BE value of 5.6 were obtained at a wavelength of 1120 nm with an optical-to-optical efficiency of 49.6%. Furthermore, the cavity reflectivity is increased by employing two OC FBGs to scale the output power up to 443 W, while the corresponding M2 is 3.5 with BE of 4.2. To our best knowledge, it is the highest power in Raman oscillator based on GRIN fiber.",

author = "Chenchen Fan and Yizhu Chen and Tianfu Yao and Hu Xiao and Jiangming Xu and Jinyong Leng and Pu Zhou and Wolf, {Alexey A.} and Nemov, {Ilya N.} and Kuznetsov, {Alexey G.} and Kablukov, {Sergey I.} and Babin, {Sergey A.}",

note = "Funding Information: Funding. Russian Science Foundation (21-42-00019); National Natural Science Foundation of China (11704409, 61605246, 61911530134). Publisher Copyright: {\textcopyright} 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement",

year = "2021",

month = jun,

day = "21",

doi = "10.1364/OE.427605",

language = "English",

volume = "29",

pages = "19441--19449",

journal = "Optics Express",

issn = "1094-4087",

publisher = "The Optical Society",

number = "13",

}

Over 400 W graded-index fiber Raman laser with brightness enhancement. / Fan, Chenchen; Chen, Yizhu; Yao, Tianfu и др.

В: Optics Express, Том 29, № 13, 21.06.2021, стр. 19441-19449.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

TY - JOUR

T1 - Over 400 W graded-index fiber Raman laser with brightness enhancement

AU - Fan, Chenchen

AU - Chen, Yizhu

AU - Yao, Tianfu

AU - Xiao, Hu

AU - Xu, Jiangming

AU - Leng, Jinyong

AU - Zhou, Pu

AU - Wolf, Alexey A.

AU - Nemov, Ilya N.

AU - Kuznetsov, Alexey G.

AU - Kablukov, Sergey I.

AU - Babin, Sergey A.

N1 - Funding Information: Funding. Russian Science Foundation (21-42-00019); National Natural Science Foundation of China (11704409, 61605246, 61911530134). Publisher Copyright: © 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

PY - 2021/6/21

Y1 - 2021/6/21

N2 - The power scaling on all-fiberized Raman fiber oscillator with brightness enhancement (BE) based on multimode graded-index (GRIN) fiber is demonstrated. Thanks to beam cleanup of GRIN fiber itself and single-mode selection properties of the fiber Bragg gratings inscribed in the center of GRIN fiber, the efficient BE is realized. For the laser cavity with single OC FBG, continuous-wave power of 334 W with an M2 value of 2.8 and BE value of 5.6 were obtained at a wavelength of 1120 nm with an optical-to-optical efficiency of 49.6%. Furthermore, the cavity reflectivity is increased by employing two OC FBGs to scale the output power up to 443 W, while the corresponding M2 is 3.5 with BE of 4.2. To our best knowledge, it is the highest power in Raman oscillator based on GRIN fiber.

AB - The power scaling on all-fiberized Raman fiber oscillator with brightness enhancement (BE) based on multimode graded-index (GRIN) fiber is demonstrated. Thanks to beam cleanup of GRIN fiber itself and single-mode selection properties of the fiber Bragg gratings inscribed in the center of GRIN fiber, the efficient BE is realized. For the laser cavity with single OC FBG, continuous-wave power of 334 W with an M2 value of 2.8 and BE value of 5.6 were obtained at a wavelength of 1120 nm with an optical-to-optical efficiency of 49.6%. Furthermore, the cavity reflectivity is increased by employing two OC FBGs to scale the output power up to 443 W, while the corresponding M2 is 3.5 with BE of 4.2. To our best knowledge, it is the highest power in Raman oscillator based on GRIN fiber.

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Over 400 W graded-index fiber Raman laser with brightness enhancement

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