Near and mid-infrared optical vortex parametric oscillator based on KTA

We investigated high energy, near and mid-infrared optical vortex lasers formed by a 1 μm optical vortex-pumped KTiOAsO(4) (KTA) optical parametric oscillator. The orbital angular momentum (OAM) of the pump beam can be selectively transferred to the signal or idler output by changing the reflectivit...

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Autores principales: Ababaike, Mairihaba, Wang, Shutong, Aierken, Palidan, Omatsu, Takashige, Yusufu, Taximaiti
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8044083/
https://www.ncbi.nlm.nih.gov/pubmed/33850170
http://dx.doi.org/10.1038/s41598-021-86945-1
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author Ababaike, Mairihaba
Wang, Shutong
Aierken, Palidan
Omatsu, Takashige
Yusufu, Taximaiti
author_facet Ababaike, Mairihaba
Wang, Shutong
Aierken, Palidan
Omatsu, Takashige
Yusufu, Taximaiti
author_sort Ababaike, Mairihaba
collection PubMed
description We investigated high energy, near and mid-infrared optical vortex lasers formed by a 1 μm optical vortex-pumped KTiOAsO(4) (KTA) optical parametric oscillator. The orbital angular momentum (OAM) of the pump beam can be selectively transferred to the signal or idler output by changing the reflectivity of the output coupler. With this system, 1.535 µm vortex signal output with an energy of 2.04 mJ and 3.468 µm vortex idler output with an energy of 1.75 mJ were obtained with a maximum pump energy of 21 mJ, corresponding to slope efficiencies of 14% and 10%, respectively. The spectral bandwidth (full width at half maximum, FWHM) of the signal and idler vortex outputs were measured to be Δλ(s) ~ 1.3 nm (~ 5.5 cm(−1)) and Δλ(i) ~ 1.7 nm (~ 1.4 cm(−1)), respectively.
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spelling pubmed-80440832021-04-14 Near and mid-infrared optical vortex parametric oscillator based on KTA Ababaike, Mairihaba Wang, Shutong Aierken, Palidan Omatsu, Takashige Yusufu, Taximaiti Sci Rep Article We investigated high energy, near and mid-infrared optical vortex lasers formed by a 1 μm optical vortex-pumped KTiOAsO(4) (KTA) optical parametric oscillator. The orbital angular momentum (OAM) of the pump beam can be selectively transferred to the signal or idler output by changing the reflectivity of the output coupler. With this system, 1.535 µm vortex signal output with an energy of 2.04 mJ and 3.468 µm vortex idler output with an energy of 1.75 mJ were obtained with a maximum pump energy of 21 mJ, corresponding to slope efficiencies of 14% and 10%, respectively. The spectral bandwidth (full width at half maximum, FWHM) of the signal and idler vortex outputs were measured to be Δλ(s) ~ 1.3 nm (~ 5.5 cm(−1)) and Δλ(i) ~ 1.7 nm (~ 1.4 cm(−1)), respectively. Nature Publishing Group UK 2021-04-13 /pmc/articles/PMC8044083/ /pubmed/33850170 http://dx.doi.org/10.1038/s41598-021-86945-1 Text en © The Author(s) 2021 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Ababaike, Mairihaba
Wang, Shutong
Aierken, Palidan
Omatsu, Takashige
Yusufu, Taximaiti
Near and mid-infrared optical vortex parametric oscillator based on KTA
title Near and mid-infrared optical vortex parametric oscillator based on KTA
title_full Near and mid-infrared optical vortex parametric oscillator based on KTA
title_fullStr Near and mid-infrared optical vortex parametric oscillator based on KTA
title_full_unstemmed Near and mid-infrared optical vortex parametric oscillator based on KTA
title_short Near and mid-infrared optical vortex parametric oscillator based on KTA
title_sort near and mid-infrared optical vortex parametric oscillator based on kta
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8044083/
https://www.ncbi.nlm.nih.gov/pubmed/33850170
http://dx.doi.org/10.1038/s41598-021-86945-1
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