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Antireflection microstructures fabricated on the surface of a LiGaSe 2 nonlinear crystal. / Teslenko, Andrei A.; Bushunov, Andrey A.; Isaenko, Lyudmila. I. и др.

в: Optics Letters, Том 48, № 5, 01.03.2023, стр. 1196-1199.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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Teslenko, Andrei A. ; Bushunov, Andrey A. ; Isaenko, Lyudmila. I. и др. / Antireflection microstructures fabricated on the surface of a LiGaSe 2 nonlinear crystal. в: Optics Letters. 2023 ; Том 48, № 5. стр. 1196-1199.

BibTeX

@article{1ce34a5eaea24a6da2f0162f1b22e6f9,
title = "Antireflection microstructures fabricated on the surface of a LiGaSe 2 nonlinear crystal",
abstract = " LiGaSe 2 is a propitious material for nonlinear parametric conversion in the mid-infrared (mid-IR) range. Its refractive index of n = 2.25 in the 2–12 µm wavelength range results in significant losses due to Fresnel reflection. However, the conventional method of increasing the transmittance with antireflection coatings (ARCs) significantly reduces the damage threshold of the material. Fabrication of the antireflection microstructures (ARMs) is an alternative approach for increasing the surface transmittance. In this work, ARMs were fabricated on the surface of a LiGaSe 2 crystal using a single-pulse femtosecond laser ablation method. An average transmittance of 97.2% in the 2–8 µm spectral range and the maximum transmittance of 98.6% at 4.1 µm were achieved. ",
author = "Teslenko, {Andrei A.} and Bushunov, {Andrey A.} and Isaenko, {Lyudmila. I.} and Alexander Shklyaev and Alina Goloshumova and Lobanov, {Sergei I.} and Lazarev, {Vladimir A.} and Tarabrin, {Mikhail K.}",
note = "Acknowledgments. A.A. Bushunov, A.A. Teslenko, M.K. Tarabrin, L.I. Isaenko, and A.A. Goloshumova acknowledge the support of Russian Science Foundation (project 20-72-10027). Part of experiments was carried out using the equipment of the collective use centres “NANOSTRUKTURY” IFP SBRAN and “VTAN” (ATRC) of the NSU Physics Department Andrey Bushunov, Andrei Teslenko, and Mikhail Tarabrin designed the fabrication method and experimental setup, fabricated ARM samples on LiGaSe2, performed measurements of ARM transmittance, and mostly contributed to the Letter preparation. Lyudmila Isaenko, Alina Goloshumova and Sergei Lobanov worked on LiGaSe2 crystal growth for experiment and sample preparation for ARM fabrication. Alexander Shklyaev performed the EDX measurements of the sample. Mikhail Tarabrin and Vladimir Lazarev supervised the research project.",
year = "2023",
month = mar,
day = "1",
doi = "10.1364/ol.480758",
language = "English",
volume = "48",
pages = "1196--1199",
journal = "Optics Letters",
issn = "0146-9592",
publisher = "The Optical Society",
number = "5",

}

RIS

TY - JOUR

T1 - Antireflection microstructures fabricated on the surface of a LiGaSe 2 nonlinear crystal

AU - Teslenko, Andrei A.

AU - Bushunov, Andrey A.

AU - Isaenko, Lyudmila. I.

AU - Shklyaev, Alexander

AU - Goloshumova, Alina

AU - Lobanov, Sergei I.

AU - Lazarev, Vladimir A.

AU - Tarabrin, Mikhail K.

N1 - Acknowledgments. A.A. Bushunov, A.A. Teslenko, M.K. Tarabrin, L.I. Isaenko, and A.A. Goloshumova acknowledge the support of Russian Science Foundation (project 20-72-10027). Part of experiments was carried out using the equipment of the collective use centres “NANOSTRUKTURY” IFP SBRAN and “VTAN” (ATRC) of the NSU Physics Department Andrey Bushunov, Andrei Teslenko, and Mikhail Tarabrin designed the fabrication method and experimental setup, fabricated ARM samples on LiGaSe2, performed measurements of ARM transmittance, and mostly contributed to the Letter preparation. Lyudmila Isaenko, Alina Goloshumova and Sergei Lobanov worked on LiGaSe2 crystal growth for experiment and sample preparation for ARM fabrication. Alexander Shklyaev performed the EDX measurements of the sample. Mikhail Tarabrin and Vladimir Lazarev supervised the research project.

PY - 2023/3/1

Y1 - 2023/3/1

N2 - LiGaSe 2 is a propitious material for nonlinear parametric conversion in the mid-infrared (mid-IR) range. Its refractive index of n = 2.25 in the 2–12 µm wavelength range results in significant losses due to Fresnel reflection. However, the conventional method of increasing the transmittance with antireflection coatings (ARCs) significantly reduces the damage threshold of the material. Fabrication of the antireflection microstructures (ARMs) is an alternative approach for increasing the surface transmittance. In this work, ARMs were fabricated on the surface of a LiGaSe 2 crystal using a single-pulse femtosecond laser ablation method. An average transmittance of 97.2% in the 2–8 µm spectral range and the maximum transmittance of 98.6% at 4.1 µm were achieved.

AB - LiGaSe 2 is a propitious material for nonlinear parametric conversion in the mid-infrared (mid-IR) range. Its refractive index of n = 2.25 in the 2–12 µm wavelength range results in significant losses due to Fresnel reflection. However, the conventional method of increasing the transmittance with antireflection coatings (ARCs) significantly reduces the damage threshold of the material. Fabrication of the antireflection microstructures (ARMs) is an alternative approach for increasing the surface transmittance. In this work, ARMs were fabricated on the surface of a LiGaSe 2 crystal using a single-pulse femtosecond laser ablation method. An average transmittance of 97.2% in the 2–8 µm spectral range and the maximum transmittance of 98.6% at 4.1 µm were achieved.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85149124397&origin=inward&txGid=b4f4a5e65da9bd55b9e51d0469be30d8

UR - https://www.mendeley.com/catalogue/5725167b-75cf-35c2-891a-5b0c5e82a44f/

U2 - 10.1364/ol.480758

DO - 10.1364/ol.480758

M3 - Article

C2 - 36857247

VL - 48

SP - 1196

EP - 1199

JO - Optics Letters

JF - Optics Letters

SN - 0146-9592

IS - 5

ER -

ID: 59242521