• New compact lasers sources, required to drive the optical processing planes, were developed at St. Andrews University. These included a high-efficiency diode-pumped Nd:YLF laser giving a 0.5 - 1 watt single modecontinuous output, which was used with the InGaAs SEED arrays and has proved important for subsequent system experiments.
• The Edinburgh University group developed the electrically-addressed spatial light modulator (SLM) - a sophisticated form of electro-optical display, which can provide a serial-to-parallel interface between conventional electronics and parallel optical processing systems. These devices are finding application in a range of display technologies.