Profile: Coherent (UK) Ltd. is a provider of lasers and laser-based solutions for scientific, commercial and industrial sectors. Our quality management systems are certified as compliant with the International Standards Organization. We also supply a complete suite of fibers for the fabrication of fiber lasers, which includes rare-earth doped active fibers, mode-matched photosensitive fibers for fiber Bragg gratings, as well as passive fibers for the delivery of pump and laser light. Our rare-earth fiber products are manufactured using a proprietary doping method which provides for high rare earth concentration with substantial dopant homogeneity and uniformity. Our range of laser measurement and control products includes laser power and energy meters, laser beam diagnostic instrumentation, laser mode measurement, and spectral analysis instruments.