Optics11’s OptimAE is the world’s first fiber-optic Acoustic Emission (AE) sensing system, offering high sensitivity and performance in challenging environments such as strong electrical or magnetic fields, high radiation, extreme temperatures, and liquids. The system includes a modular acquisition unit, a broad sensor portfolio, and dedicated AE software, making it suitable for various applications from lab-scale to industrial large-scale solutions. The 6300-series sensors are completely passive, can withstand harsh measurement conditions, and are immune to electromagnetic interference. The OptimAE interrogator features a 1 MS/s sampling rate and can be configured for up to 32 channels.