Publikationen von Prof. Dr. habil. Sophie Kröger

New hyperfine structure data of atomic terbium measured by laser spectroscopic methods
Barka, Seda Kın et al. In: Journal of Quantitative Spectroscopy and Radiative Transfer 352/2026. (2026), S. 1-8 (109830).
Artikel › Journalartikel › 2026
Revised level energies of Nb I
Windholz, L.; Kröger, S.. In: Atomic Data and Nuclear Data Tables 168 / 2026. (2026), S. 1-14 (101771).
Artikel › Journalartikel › 2026
Automation of Measurements of A Stepper Motor-driven Optical Monochromator Using Python
Şeker, Şimal et al. In: Physics and Astronomy Reports 3/2/2025, 2. (2025), S. 94 - 99.
Artikel › Journalartikel › 2025
Systematic investigations of the hyperfine structure constants of Niobium I levels. Part IV: New results derived from Fourier-transform spectra, including the discovery of four new levels
Windholz, Laurentius; Kröger, Sophie. In: Journal of Quantitative Spectroscopy and Radiative Transfer 332/2025. (2025), S. 1-9 (109285).
Artikel › Journalartikel › 2025
A perturbed energy level of the holmium atom
Windholz, L. et al. In: Spectrochimica Acta Part B: Atomic Spectroscopy 214. (2024), S. 106900.
Artikel › Journalartikel › 2024
Comparison of theory and experiment for radiative characteristics in neutral thulium
Bondarev, Andrey I. et al. In: Physical Review A 109, 1. (2024), S. 012815-012826.
Artikel › Journalartikel › 2024
High precision in a Fourier-transform spectrum of protactinium: extensive weighted least-squares fits of peak wavenumbers for analysis of fine and hyperfine structure
Kröger, Sophie. In: The European Physical Journal D 78, 8. (2024), S. 104.
Artikel › Journalartikel › 2024
Hyperfine Structure Investigation of Singly Ionized Thulium in Fourier-transform Spectra
Kebapcı, Taha Yusuf et al. In: The Astrophysical Journal 970, 1. (2024), S. 23.
Artikel › Journalartikel › 2024
Investigation of Transitions to the Atomic Ground State in Fourier Transform Spectra of Holmium
Kröger, Sophie et al. In: Physics and Astronomy Reports 2/2/2024, 2. (2024), S. 88–93.
Artikel › Journalartikel › 2024
Line identification of atomic and ionic spectra of Holmium in the near infrared spectral range from 700 nm to 1750 nm
Zengin, Muammer et al. In: Spectrochimica Acta Part B: Atomic Spectroscopy 217. (2024), S. 106950.
Artikel › Journalartikel › 2024
New energy levels of atomic holmium discovered by laser spectroscopy in the near infrared spectral range
Barka, Seda Kın et al. In: Spectrochimica Acta Part B: Atomic Spectroscopy 216. (2024), S. 106946.
Artikel › Journalartikel › 2024
Revised energy levels and hyperfine structure constants of Nb II
Windholz, L.; Kröger, S.. In: Atomic Data and Nuclear Data Tables 159. (2024), S. 101664.
Artikel › Journalartikel › 2024
Laser Spectroscopic Investigation of the Hyperfine Structure of Atomic Manganese in the Mid-infrared Wavelength Range
Kröger, Sophie et al. In: Physics and Astronomy Reports 1/1/2023, 1. (2023), S. 32-37.
Artikel › Journalartikel › 2023
New even parity fine structure energy levels of atomic vanadium
Başar, Günay et al. In: Spectrochimica Acta Part B: Atomic Spectroscopy 207. (2023), S. 106737.
Artikel › Journalartikel › 2023
Verification of the Existence of Recently Published New Energy Levels of Atomic Holmium
Bingöl, Doğukan et al. In: Physics and Astronomy Reports 1/2/2023, 2. (2023), S. 85-92.
Artikel › Journalartikel › 2023
A new version of the program fitter for fitting atomic hyperfine structure in optical spectra including the calculation of confidence intervals
Zeiser, Andreas et al. In: Journal of Quantitative Spectroscopy and Radiative Transfer 290. (2022), S. 108294-108299.
Artikel › Journalartikel › 2022
Experimental investigation of the hyperfine structure of Tm I with Fourier transform spectroscopy, part A: In the visible wavelength range (400–700 nm)
Parlatan, Şeyma et al. In: Journal of Quantitative Spectroscopy and Radiative Transfer Vol 287. (2022), S. 108195 (1-6).
Artikel › Journalartikel › 2022
Experimental investigation of the hyperfine structure of Tm I with Fourier transform spectroscopy part B: In the NIR wavelength range from 700 nm to 2250 nm
Kebapcı, Taha Yusuf et al. In: Journal of Quantitative Spectroscopy and Radiative Transfer Vol. 287. (2022), S. 108196 (1-6).
Artikel › Journalartikel › 2022
Revised Energy Levels of Atomic Lanthanum Considering Hyperfine Structure
Güzelçimen, Feyza et al. In: The Astrophysical Journal Supplement Series 258, 2. (2022), S. 1-7.
Artikel › Journalartikel › 2022
New even-parity energy levels of the neutral Lanthanum atom derived from difficult to interpret measurements
Windholz, Laurentius et al. In: Journal of Quantitative Spectroscopy and Radiative Transfer Vol. 273, 2021. (2021), S. 1-5 (107843).
Artikel › Journalartikel › 2021
Computer Aided Assessment and Feedback in Mathematics: Contributions to the 3rd International STACK conference 2020
Kröger, Sophie; Schwarz, Paul. In: Computer Aided Assessment and Feedback in Mathematics: Contributions to the 3rd International STACK conference 2020. Online: 2020, S. 1-7.
Konferenzbeitrag › Konferenzpaper › 2020
Laser spectroscopic investigation of atomic holmium in the wavelength range from 780 nm to 830 nm: Hyperfine structure measurements and a new energy level
Başar, Gönül et al. In: Journal of Quantitative Spectroscopy and Radiative Transfer Vol. 243, March 2020. (2020), S. 106809 (1-8).
Artikel › Journalartikel › 2020
New energy levels of atomic lanthanum with small total angular momentum quantum number discovered by laser spectroscopic methods in the near IR
Öztürk, Ipek K. et al. In: Journal of Quantitative Spectroscopy and Radiation Transfer 253/2020. (2020), S. 1-6 (107100).
Artikel › Journalartikel › 2020
Systematic investigations of the hyperfine structure constants of niobium I levels. Part I: Constants of upper odd parity energy levels between 16,672 and 31,025 cm−1 and discovery of a new level
Faisal, Muhammad et al. In: Journal of Quantitative Spectroscopy and Radiation Transfer 245/2020. (2020), S. 1-15 (106873).
Artikel › Journalartikel › 2020
Systematic investigations of the hyperfine structure constants of niobium I levels. Part II: Constants of upper odd parity energy levels between 31,056 and 42,000 cm−1 and discovery of two new levels
Windholz, Laurentius et al. In: Journal of Quantitative Spectroscopy and Radiation Transfer 245/2020. (2020), S. 106872 (1-11).
Artikel › Journalartikel › 2020
Systematic investigations of the hyperfine structure constants of niobium I levels. Part III: High lying even parity levels (37,410–43,420 cm−1) and discovery of a new level
Windholz, Laurentius et al. In: Journal of Quantitative Spectroscopy and Radiation Transfer 245/2020. (2020), S. 1-5 (106871).
Artikel › Journalartikel › 2020
Hyperfine Structure Analysis of Atomic Holmium in an FT Spectrum in the Visible Spectral Range
B. Özdalgiç, Gö. Başar, Kröger, Sophie. In: The Astrophysical Journal Supplement Series 244, 2 / 41. (2019), S. 1-18.
Artikel › Journalartikel › 2019
Line Identification of Atomic and Ionic Spectra of Holmium in the Visible Spectral Range. II. Spectrum of Ho II and Ho III
B. Özdalgiç, Gö. Başar, F. Güzelçimen, I. K. Öztürk, T. Ak, S. Bilir, M. Tamanis, R. Ferber, S. Kröger. In: The Astrophysical Journal Supplement Series 240, 2 / 28. (2019), S. 1-6.
Artikel › Journalartikel › 2019
Line Identification of Atomic and Ionic Spectra of Holmium in the Visible Spectral Range. I. Spectrum of Ho I
B. Özdalgiç, F. Güzelçİmen, I. K. Öztürk, S. Kröger, A. Kruzins, M. Tamanis, R. Ferber, Gö. Başar. In: The Astrophysical Journal Supplement Series 240, 2 / 27. (2019), S. 1-6.
Artikel › Journalartikel › 2019
Hyperfine structure measurements of neutral vanadium by inter-modulated laser-induced fluorescence spectroscopy in the wavelength range from 800 nm to 830 nm
Basar, Günay et al. In: Journal of Quantitative Spectroscopy & Radiative Transfer 2018, 219. (2018), S. 1-6.
Artikel › Journalartikel › 2018
Investigation of the Hyperfine Structure of Atomic Niobium (Nb I) Spectral Lines Based on the Lower Energy Levels at 22936, 23010, and 23048 cm-1
Windholz, Laurentius; Kröger, Sophie. In: Spectral Analysis Reviews 2018, 6. (2018), S. 43- 52.
Artikel › Journalartikel › 2018
New Energy Levels of Atomic Niobium (Nb I) Discovered by Laser-Spectroscopic Investigations
Kröger, Sophie et al. In: Journal of Quantitative Spectroscopy and Radiation Transfer 2018, 212. (2018), S. 24-31.
Artikel › Journalartikel › 2018
Revised energy levels of singly ionized lanthanum
Güzelçimen, Feyza et al. In: Journal of Quantitative Spectroscopy and Radiative Transfer 2018, 211. (2018), S. 188-199.
Artikel › Journalartikel › 2018
Hyperfine structure measurements of neutral vanadium by laser-induced fluorescence spectroscopy in the wavelength range from 750 nm to 860 nm
Başar, Günay et al. In: Journal of Quantitative Spectroscopy and Radiative Transfer , Vol. 202. (2017), S. 193-199.
Artikel › Journalartikel › 2017
Line Identification of Atomic and Ionic Spectra of Holmium in the Near-UV. II. Spectra of Ho II and Ho III
Başar, Gönül et al. In: The Astrophysical Journal Supplement Series Vol. 228, Nr. 02/2017. (2017), S. 1-6.
Artikel › Journalartikel › 2017
Line Identification of Atomic and Ionic Spectra of Holmium in the near UV. I. Spectrum of Ho I
Al-Labady, Nadya et al. In: The Astrophysical Journal Supplement Series Vol. 228, Nr. 02/2017. (2017), S. 1-6.
Artikel › Journalartikel › 2017
New even and odd parity fine structure levels of La I discovered by means of laser-induced fluorescence spectroscopy
Basar, Günay et al. In: Journal of Quantitative Spectroscopy and Radiative Transfer Vol. 187, January 2017. (2017), S. 505-510.
Artikel › Journalartikel › 2017
Free-choice learning in interdisciplinary project laboratories
Kröger, Sophie et al. In: Proceedings of END 2016 International Conference on Education and New Developments. Lissabon: 2016, S. 111-115.
Konferenzbeitrag › Konferenzpaper › 2016
Results of Practice Orientated Project Work in Interdisciplinary Term-Overlapping Structures
Bailleu, Anett et al. International Conference on Education and New Developments 2016. 2016.
Konferenzbeitrag › Poster › 2016
Elective Interdisciplinary Project Laboratories combined with Lectures on Demand as an innovative Teaching Method for Highly motivated Students
Bailleu, Anett et al. In: HEAd´15, 1st International Conference on Higher Education Advances. València: 2015, S. 304-310.
Konferenzbeitrag › Konferenzpaper › 2015
High-resolution Fourier Transform Spectroscopy of Nb I in the Near-Infrared
Er, Alev et al. In: The Astrophysical Journal Supplement Series Volume 221, Nr. 1/2015. (2015), S. 1-14.
Artikel › Journalartikel › 2015
Investigation of the hyperfine structure of weak atomic Vanadium lines by means of Fourier transform spectroscopy
Güzelçimen, Feyza et al. In: Journal of Physics B: Atomic, Molecular and Optical Physics Volume 48, Issue 11. (2015), S. 1-10.
Artikel › Journalartikel › 2015
Hyperfine Structure Constants of Energetically High-Lying Levels of Odd Parity of Atomic Vanadium
Guzelimen, Feyza et al. In: The Astrophysical Journal Supplement Series 214, 1. (2014), S. 1-12.
Artikel › Journalartikel › 2014
New energy levels of atomic niobium by laser induced fluorescence spectroscopy in the near infrared wavelength range
Öztürk, İpek K et al. In: Journal of Physics B: Atomic, Molecular and Optical Physics Volume 48, Issue 1. (2014), S. 1-7.
Artikel › Journalartikel › 2014
Parametric study of the fine and hyperfine structure for the even parity configurations of atomic Niobium
Dembczynski, Jerzy et al. In: Journal of Physics B: Atomic, Molecular and Optical Physics Volume 48, Issue 1. (2014), S. 1-17.
Artikel › Journalartikel › 2014
Transition probabilities of Neutral Scandium
Öztürk, Ipek K. et al. In: Canadian Journal of Physics 92 (2014), 11. (2014), S. 1425-1429.
Artikel › Journalartikel › 2014
High Resolution Fourier Transform Spectroscopy of Lanthanum in Ar Discharge in the near Infrared
Güzelcimen, Feyza et al. In: The Astrophysical Journal Supplement Series Band 208,2, 18. (2013), S. 1-7.
Artikel › Journalartikel › 2013
Hyperfine structure investigations of atomic niobium with optogalvanic and laser-induced fluorescence spectroscopy in the near-infrared wavelength range
Basar, Gönül et al. In: Astronomy & Astrophysics (A&A) Band 556, A103. (2013), S. 1-10.
Artikel › Journalartikel › 2013
New energy levels and hyperfine structure measurements of neutral lanthanum by laser-induced fluorescence spectroscopy
Güzelcimen, Feyza et al. In: Journal of Physics B: Atomic, Molecular and Optical Physics 45, 135005. (2012), S. 1-11.
Artikel › Journalartikel › 2012
Hyperfine structure of the 3d34s4p 6G multiplet of atomic vanadium
Güzelcimen, Feyza et al. In: Journal of Physics B: Atomic, Molecular and Optical Physics 44, 215001. (2011), S. 1-6.
Artikel › Journalartikel › 2011
Hyperfine structure study of atomic niobium with enhanced sensitivity of Fourier transform spectroscopy
Er, Alev et al. In: J. Phys. B: At. Mol. Opt. Phys 44, 205001. (2011), S. 1-8.
Artikel › Journalartikel › 2011
Hyperfine structure measurements of neutral niobium with Fourier transform spectroscopy
Kröger, Sophie et al. In: Astronomy & Astrophysics 516, A70. (2010), S. 1-20.
Artikel › Journalartikel › 2010

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