Laser systems for on-line laser ion sources

Status of GISELE: a resonant ionization laser ion source for the production of radioactive ions at GANIL

“…The laser system of GISELE consists of three solid state titanium:sapphire (Ti:Sa) of the type developed at the University of Mainz [5,6]. This system is compact, reliable and virtually maintenance-free making it well suited for online production.…”

“…A technical description of this type of laser can be found in refs [5,6]. Briefly, the lasers are tuneable in the range 690 to 1,000 nm.…”

Development of a saturated absorption spectroscopy setup at IGISOL for characterisation of Fabry-Pérot interferometers

“…At IGISOL, pulsed Ti:Sapphire lasers with a broad range of bandwidths are in use. The standard resonator configuration is based on the Z-shaped standing wave design with a bandwidth of typically 5 GHz, currently in use at many RIB facilities for in-source resonance laser ionisation [3], a dual-etalon Ti:Sapphire laser for in-gas-cell spectroscopy with a bandwidth reduced to <1 GHz [2] and an injection-locked Ti:Sapphire laser with a narrow bandwidth of ∼20 MHz [4,5], motivated for the exploitation of in-gasjet spectroscopy. These various bandwidths require FPIs with different free spectral ranges (FSRs) in order to calculate the frequency changes in a suitable mode of resolution.…”

GISELE: A resonant ionization laser ion source for the production of radioactive ions at GANIL

“…1 These specifications are inherent to the technique applied for RILIS in which neutral atoms are resonantly excited through 2 or 3 consecutive steps and finally ionized by laser light. These nuclei exhibit short lifetimes, and in addition lowest production cross sections.…”