Speaker
Description
As part of the ongoing Full-Energy Beam Exploitation (FEBE) upgrade to the CLARA accelerator at Daresbury, few-fs optical synchronisation between the new Ti:Sapphire terawatt FEBE laser and the Er:Yb optical master oscillator (OMO) is required for user experiments. To achieve this, a fibre-based two-colour balanced optical cross-correlator (BOXC) using waveguided periodically-poled lithium niobate (PPLN) crystals is being developed at Daresbury. A fibre-based BOXC could allow for greater sensitivity to timing jitter between two lasers than traditional free-space devices. In this manuscript, the design of the fibre-based two-colour BOXC is presented. By using the BOXC to lock a Ti:Sapphire laser system to the OMO, measurements of the integrated timing jitter performance of the BOXC have been obtained. These results will be discussed along with plans for integrating the fibre-based BOXC into the optical synchronisation network at Daresbury.
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