Towards in-jet resonance ionization spectroscopy : An injection-locked Titanium:Sapphire laser system for the PALIS-facility
Reponen, M., Sonnenschein, V., Sonoda, T., Tomita, H., Oohashi, M., Matsui, D., & Wada, M. (2018). Towards in-jet resonance ionization spectroscopy : An injection-locked Titanium:Sapphire laser system for the PALIS-facility. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 908, 236-243. https://doi.org/10.1016/j.nima.2018.08.073
Julkaistu sarjassa
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated EquipmentTekijät
Päivämäärä
2018Tekijänoikeudet
© 2018 The Authors. Published by Elsevier B.V.
This article presents a pulsed narrowband injection-locked Titanium:Sapphire laser aimed for high-resolution
in-jet resonance ionization spectroscopy at the SLOWRI/PALIS at RIKEN. The laser has been integrated into the
PALIS laser laboratory enabling it to be utilized with the existing broadband Titanium:Sapphire and dye lasers.
The seed efficiency has been evaluated to be close to unity over the master laser wavelength range ∼ 753 to
791 nm, and the slope efficiency, namely the ratio of the pump power to the output power, was determined to be
∼ 30 % at 780 nm. A two-step ionization scheme with 386.4016 nm first step and 286.731 nm second step into
an autoionizing state was developed for resonance ionization spectroscopy of 93Nb. Magnetic hyperfine coupling
constants of 1866 ± 8 MHz and 1536 ± 7 MHz were measured for the ground and excited state, respectively, in
a good agreement with the literature values. A Gaussian dominated Voigt linewidth of 434.5 ± 7.4 MHz was
extracted from the hyperfine spectra measured for niobium. In addition, the resolution of the in-jet resonance
ionization in PALIS is estimated through numerical methods.
...
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Elsevier BVISSN Hae Julkaisufoorumista
0168-9002Asiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/28237351
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Suomen AkatemiaRahoitusohjelmat(t)
Tutkijatohtori, SALisätietoja rahoituksesta
This work was supported by Japan Society for the Promotion of Science (JSPS) Postdoctoral Fellowship for Foreign Researchers, Japan program P14735 and Academy of Finland Postdoctoral Researcher, Finland project 296323.Lisenssi
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