Characterization of a pulsed injection-locked Ti:sapphire laser and its application to high resolution resonance ionization spectroscopy of copper
Sonnenschein, V., Moore, I., Raeder, S., Reponen, M., Tomita, H., & Wendt, K. (2017). Characterization of a pulsed injection-locked Ti:sapphire laser and its application to high resolution resonance ionization spectroscopy of copper. Laser Physics, 27(8), Article 085701. https://doi.org/10.1088/1555-6611/aa7834
Julkaistu sarjassa
Laser PhysicsPäivämäärä
2017Tekijänoikeudet
© 2018 IOP Publishing
A high repetition rate pulsed Ti:sapphire laser injection-locked to a
continuous wave seed source is presented. A spectral linewidth of 20 MHz at an average
output power of 4W is demonstrated. An enhanced tuning range from 710-920 nm with
a single broadband mirror set is realized by the inclusion of a single thin birefringent
quartz plate for suppression of unseeded emission. The spectral properties have been
analyzed using both a scanning Fabry-P´erot interferometer as well as crossed beam
resonance ionization spectroscopy of the hyperfine levels of natural copper. Delayed
ionization of the long-lived excited state is demonstrated for increased resolution. For
the excited state hyperfine coupling constant of the 244 nm 4s 2S1/2 → 4s4p4P
◦
1/2
ground-state transition in 63Cu, a factor of ten reduction in error compared to previous
literature was achieved. The described laser system has been in operation at several
radioactive ion beam facilities.
Julkaisija
Institute of Physics Publishing Ltd.ISSN Hae Julkaisufoorumista
1054-660XJulkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/27139293
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