!%Gooch & Housego%! of Ilminster, England, has signed a three-year contract to supply acousto-optic Q-switches to Han’s Laser of Shenzhen, China. Under the deal, the conduction-cooled devices will be integrated into Han’s Laser systems. Gooch & Housego’s Q-switches have low insertion loss and can withstand high laser peak powers, making them suitable for applications ranging from materials processing and medical surgery to lithography and rapid prototyping. Gooch & Housego is a vertically integrated supplier of photonic solutions including optical components, assemblies and subsystems, and of light-measurement instrumentation and services for the aerospace and defense, biomedical, industrial and R&D sectors.