9 Optical components and sub-systems for fiber optic networks and systems, namely, low phase noise lasers and distributed feedback lasers for interferometric sensing, acoustic arrays, seismic exploration systems, test and measurement systems, telecommunications systems, oil and gas sensing systems, pipeline monitoring systems, perimeter security systems; and passive optical filters, and gain flattening filters for erbium-doped fiber amplifiers, Raman amplifiers, telecommunication systems; and optical fiber sensor arrays for structural monitoring, strain measurements, temperature monitoring, utility-line monitoring, seismic surveillance, seismic exploration; and fiber optic sensor systems comprised of interrogators, lasers, fiber optic cables, sensor elements, and computer software for oil and gas reservoir monitoring, pipeline monitoring, perimeter security systems, acoustic array systems
Trademark: 77151846
