Abstract
A pulsed injection-locked Ti:Sapphire laser and a negative ion laser ablation source are developed for compact accelerator mass spectrometry assisted by isotope-selective laser photodetachment. An output of about 60 mW at a repetition rate of 1 kHz is available using intracavity second-harmonic generation with a bandwidth of 20 MHz. A negative iodine ion pulse with a width of 100 ns is obtained by laser ablation of a NH4I sample. The negative ion source and the injection-locked Ti:Sapphire laser are suitable for trace analysis of 129I.
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