Generation of Coherent XUV Radiation in N2 molecule and its Mixture with Ne Gas using Sub-terawatt Laser System

Muhammed Sayraç

doi:10.29130/dubited.799153

EN TR

Generation of Coherent XUV Radiation in N2 molecule and its Mixture with Ne Gas using Sub-terawatt Laser System

Abstract

High harmonic generation (HHG) in pure nitrogen (N2) and its mixture with neon (Ne) gas was produced. The external laser field producing 6mJ optical pulse energy with 50fs pulse duration at 10Hz repetition rate was focused into a gas jet producing high harmonics. The N2 and Ne gas have different ionization potentials. The strong harmonic signal in pure N2 was produced, and a weak harmonic signal in a mixture of N2-Ne was generated compared to that in pure N2. The increase of Ne contribution in the N2-Ne mixture resulted in a decrease in harmonic signal. Harmonic signal increase and decrease were observed for different N2:Ne ratios. The harmonic generation mechanism was discussed in that the ionization of Ne is difficult compared to N2, and the neutral Ne atom leads to neutral atomic dispersion (phase mismatch), so the harmonic yield decreases.

Keywords

Extreme ultraviolet radiation, High harmonic generation, Three-step model, Femtosecond laser, Gas mixtures, Absorption

Thanks

I am thankful to A. Kolomenski and H. Schuessler for providing the opportunity to perform the experiments described in this paper at Texas A&M University.

N2 Molekülünden ve Bunun Ne Gazı ile Karışımından Sub-terawatt Lazer Sistemi kullanılarak Uyumlu XUV Radyasyonu Üretilmesi

Abstract

Saf nitrojen (N2) gazından ve bunun neon (Ne) gazı ile karışımından yüksek harmonik mertebeler (HHG) üretildi. 10Hz tekrarlama hızında 50fs optik darbe süresi ile 6mJ optik darbe enerjisi üreten lazer alanı, yüksek harmoniklerin üretildiği bir gaz jetine odaklandı. N2 ve Ne gazı farklı iyonlaşma potansiyellerine sahip olduğu için saf N2 gazında güçlü harmonik sinyali ve saf N2'ye kıyasla N2-Ne karışımında zayıf harmonik sinyali elde edildi. N2-Ne karışımında Ne katkısının artması harmonik sinyalin zayıflamasına neden oldu. Farklı N2:Ne oranı için harmonik sinyal artışı ve düşüşü gözlendi. Harmonik üretimi mekanizması, Ne iyonlaşmasının N2'ye kıyasla zor olduğu tartışıldı, ve nötr Ne atomunun, nötr atomik dispersiyona yol açtığı (faz uyumsuzluğu) ve böylece harmonik sinyalin azalmasına neden olduğu açıklanmıştır.

Keywords

Aşırı ultraviole radyasyonu, Yüksek mertebeli harmoni üretimi, Üç-adım modeli, Femtosaniye lazer, Gaz karışımı, Soğurma

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Details

Primary Language

English

Subjects

Engineering

Journal Section

Research Article

Authors

Muhammed Sayraç ^*
0000-0003-4373-6897
Türkiye

Publication Date

January 26, 2024

Submission Date

September 23, 2020

Acceptance Date

October 12, 2022

Published in Issue

Year 2024 Volume: 12 Number: 1

DOI

https://doi.org/10.29130/dubited.799153

IZ

https://izlik.org/JA88GX26WW

APA

Sayraç, M. (2024). Generation of Coherent XUV Radiation in N2 molecule and its Mixture with Ne Gas using Sub-terawatt Laser System. Duzce University Journal of Science and Technology, 12(1), 81-88. https://doi.org/10.29130/dubited.799153

AMA

1.Sayraç M. Generation of Coherent XUV Radiation in N2 molecule and its Mixture with Ne Gas using Sub-terawatt Laser System. DUBİTED. 2024;12(1):81-88. doi:10.29130/dubited.799153

Chicago

Sayraç, Muhammed. 2024. “Generation of Coherent XUV Radiation in N2 Molecule and Its Mixture With Ne Gas Using Sub-Terawatt Laser System”. Duzce University Journal of Science and Technology 12 (1): 81-88. https://doi.org/10.29130/dubited.799153.

EndNote

Sayraç M (January 1, 2024) Generation of Coherent XUV Radiation in N2 molecule and its Mixture with Ne Gas using Sub-terawatt Laser System. Duzce University Journal of Science and Technology 12 1 81–88.

IEEE

[1]M. Sayraç, “Generation of Coherent XUV Radiation in N2 molecule and its Mixture with Ne Gas using Sub-terawatt Laser System”, DUBİTED, vol. 12, no. 1, pp. 81–88, Jan. 2024, doi: 10.29130/dubited.799153.

ISNAD

Sayraç, Muhammed. “Generation of Coherent XUV Radiation in N2 Molecule and Its Mixture With Ne Gas Using Sub-Terawatt Laser System”. Duzce University Journal of Science and Technology 12/1 (January 1, 2024): 81-88. https://doi.org/10.29130/dubited.799153.

JAMA

1.Sayraç M. Generation of Coherent XUV Radiation in N2 molecule and its Mixture with Ne Gas using Sub-terawatt Laser System. DUBİTED. 2024;12:81–88.

MLA

Sayraç, Muhammed. “Generation of Coherent XUV Radiation in N2 Molecule and Its Mixture With Ne Gas Using Sub-Terawatt Laser System”. Duzce University Journal of Science and Technology, vol. 12, no. 1, Jan. 2024, pp. 81-88, doi:10.29130/dubited.799153.

Vancouver

1.Muhammed Sayraç. Generation of Coherent XUV Radiation in N2 molecule and its Mixture with Ne Gas using Sub-terawatt Laser System. DUBİTED. 2024 Jan. 1;12(1):81-8. doi:10.29130/dubited.799153

Generation of Coherent XUV Radiation in N2 molecule and its Mixture with Ne Gas using Sub-terawatt Laser System

Abstract

Keywords

Thanks

N2 Molekülünden ve Bunun Ne Gazı ile Karışımından Sub-terawatt Lazer Sistemi kullanılarak Uyumlu XUV Radyasyonu Üretilmesi

Abstract

Keywords

References

Details

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Journal Section

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Publication Date

Submission Date

Acceptance Date

Published in Issue

DOI

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