Request InfoFocuslight Switzerland SABeam homogenizers for use with high-power lasers are available from Suss MicroOptics SA. The company offers imaging and nonimaging types, both of which use either cross-cylindrical or square microlens arrays to divide the incident beam into beamlets, which are then passed through a spherical Fresnel lens to be overlapped at the homogenization focal plane. Parallel bundles of rays converge in the homogenization plane where 2-D Fourier transformation takes place. 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