Opterro received a purchase order from a US-based defense company for an i*Sense® UHS1.3M-64CxP FBG interrogator and FyberSpace™ fiber-optic FBG sensing arrays. This ultra-high-speed (UHS 1.3 MS/s) UltraSense™ interrogator provides advanced capabilities for multifunctional acoustic emission, strain, and temperature measurements in energetics research applications.