LED light engines for fluorescence excitation use state-of-the-art LED technology and hard dielectric interference filters for life science instrumentation. Applications include blot imagers, qPCR systems, cytometers, colony counters and microplate readers. Patented nonimaging optics produce both uniform angular and spatial output. Available LED wavelengths range from the ultraviolet through the near-infrared. The filters feature both high peak transmission and out-of-band blocking. See us at Photonics West, Booth #2208.