===== WP4: Ultra-high precision measurement technology and instrumentation ===== Giles Hammond, Stuart Reid, Baoqing Sun * Establish small GW experiments for training new GW instrumentation researchers * Experiment to demonstrate Pound-Drever-Hall locking interferometer * Send more students in UK universities for training * Potential collaborations on charge management, fibre pulling & caging mechanism * Further discussions on coatings work in both WP1 & WP4