The merger of Dublin-based Tsunami Photonics Ltd., a supplier of fast test system software for photonic components, and PXIT of Dun Laoghaire, a manufacturer of modular test systems, both in Ireland, has been achieved with Tsunami's acquisition of PXIT. The new company will trade under the name of PXIT and will combine PXI optical instrument modules, proprietary technology and analysis software to enable test and measurement and process control systems.