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Related papers: Resonant Ionization Laser Ion Source (RILIS) Devel…

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The resonance ionization laser ion source (RILIS) is the principal ion source of the ISOLDE radioactive beam facility based at CERN. Using the method of in-source resonance ionization spectroscopy, an optimal three-step, three-resonance…

Using TRIUMF's off-line laser ion source test stand with a system of tunable titanium sapphire lasers, the polarization dependence of laser resonance ionization has been investigated using beryllium. A significant polarization dependence…

Atomic Physics · Physics 2020-12-02 Ruohong Li , Maryam Mostamand , Jekabs Romans , Jens Lassen

Hot cavity resonant ionization laser ion sources (RILIS) provide a multitude of radioactive ion beams with high ionization efficiency and element selective ionization. However, in hot cavity RILIS there still remains isobaric contaminations…

Instrumentation and Detectors · Physics 2020-03-18 M. Mostamand , R. Li , J. Romans , F. Ames , P. Kunz , A. Mjos , J. Lassen

A new type of the gas cell for the resonance ionization laser ion source at the Leuven Isotope Separator On Line (LISOL) has been developed and tested at off-line and on-line conditions. Two-step selective laser ionization is applied to…

The effect of the phase between the radio frequency (RF) waveform driving the ion guide and the laser pulses generating ions on the intensity of the transmitted ion beam has been studied. Experiments were conducted at TRIUMF's offline laser…

Accelerator Physics · Physics 2025-02-14 Ruohong Li , Maryam Mostamand , Jens Lassen

At TRIUMF's off-line laser ion source test stand, stepwise resonant laser ionization spectroscopy of chromium (Cr) was carried out, to find an efficient ionization scheme suitable for titanium sapphire (Ti:Sa) laser systems. With three…

Atomic Physics · Physics 2025-04-23 Romina Schulz , Ruohong Li , Julius Wessolek , Maryam Mostamand , Peter Kunz , Jens Lassen

A concept for continuously tunable titanium-sapphire (Ti:Sa) lasers using dispersion prisms is under investigation for the ARIEL (Advanced Rare IsotopE Laboratory) laser ion source at TRIUMF (Canada's particle accelerator center).…

Optics · Physics 2020-01-29 Bianca Bettina Reich , Maryam Mostamand , Ruohong Li , Jens Lassen

Multi-step laser resonance ionization spectroscopy of lutetium (Lu) has been performed at TRIUMF's off-line laser ion source test stand. The even-parity Rydberg series $6s^2nd$ $^2D_{3/2}$, $6s^2nd$ $^2D_{5/2}$ and $6s^2ns$ $^2S_{1/2}$ were…

Atomic Physics · Physics 2020-01-29 R. Li , J. Lassen , Z. P. Zhong , F. D. Jia , M. Mostamand , X. K. Li , B. B. Reich , A. Teigelhöfer , H. Yan

High-lying Rydberg and autoionizing (AI) states of thorium (Th) have been studied via resonance laser ionization spectroscopy at both TRIUMF Canada's particle accelerator centre and Oak Ridge National Lab (ORNL). Multiple Rydberg series…

Atomic Physics · Physics 2025-08-12 Ruohong Li , Yuan Liu , Dan W. Stracener , Jens Lassen

New approaches to perform efficient and selective step-wise Resonance Ionization Spectroscopy (RIS) of radioactive atoms in different types of supersonic gas jets are proposed. This novel application results in a major expansion of the…

Atomic Physics · Physics 2015-06-12 Yu. Kudryavtsev , R. Ferrer , M. Huyse , P. Van den Bergh , P. Van Duppen

A new laser ion source configuration based on resonant photoionization in a gas cell has been developed at RIBF RIKEN. This system is intended for the future PArasitic RI-beam production by Laser Ion-Source (PALIS) project which will be…

In-source resonance ionization spectroscopy was used to identify an efficient and selective three step excitation/ionization scheme of thorium, suitable for titanium:sapphire (Ti:sa) lasers. The measurements were carried out in preparation…

The proof of principle of the Laser Ion Source Trap (LIST) coupled to a gas cell catcher system has been demonstrated at the Leuven Isotope Separator On-Line (LISOL). The experiments were carried out by using the modified gas cell-based…

A prototype laser ion source that could demonstrate the possibility of producing intense pulsed high charge state ion beams has been established with a commercial Nd:YAG laser (E max = 3 J, 1064 nm, 8-10 ns) to produce laser plasma for the…

We present a new YAuSi Liquid Metal Alloy Ion Source (LMAIS), generating focused ion beams of yttrium ions, and its prospective applications for nanofabrication, sample preparation, lithographic and implantation processes. Working…

Instrumentation and Detectors · Physics 2016-12-21 Nadezhda Kukharchyk , Ronna Neumann , Swetlana Mazarov , Pavel Bushev , Andreas Wieck , Paul Mazarov

A laser ion source is under development at the IGISOL facility, Jyvaskyla, in order to address deficiencies in the ion guide technique. The key elements of interest are those of a refractory nature, whose isotopes and isomers are widely…

Focused Ion Beam (FIB) processing has been established as a well-suited and promising technique in R&D in nearly all fields of nanotechnology for patterning and prototyping on the micro and nanometer scale and below. Among other concepts,…

Instrumentation and Detectors · Physics 2020-06-24 Lothar Bischoff , Nico Klingner , Paul Mazarov , Wolfgang Pilz , Florian Meyer

Laser-driven ions have compelling properties and their potential use for medical applications has attracted a huge global interest. One of the major challenges of these applications is generating beams of the required energies. To date,…

We demonstrate a prototype of a Focused Ion Beam machine based on the ionization of a laser-cooled cesium beam adapted for imaging and modifying different surfaces in the few-tens nanometer range. Efficient atomic ionization is obtained by…

Mesoscale and Nanoscale Physics · Physics 2016-01-08 M. Viteau , M. Reveillard , L. Kime , B. Rasser , P. Sudraud , Y. Bruneau , G. Khalili , P. Pillet , D. Comparat , I. Guerri , A. Fioretti , D. Ciampini , M. Allegrini , F. Fuso

Possible parameters of Light Sources (LS) based on Backward Rayleigh Scattering (BRS) of laser photons on relativistic ion beams in storage rings are discussed. It was shown that the parameters of the LS based on the RHIC storage ring…

Accelerator Physics · Physics 2015-06-12 E. G. Bessonov
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