Jann Optical Engineering If you're in the dark when it comes to light, just call JOE! Mr. Jann holds a MS degree in Electrical Engineering from Columbia University & has worked in the San Francisco Bay Area since 1980. He is a member of OSA & SPIE. He holds thirteen patents with three pending. He has experience in the following optical technologies: Optical data storage including write, read, focus servo, & tracking servo systems Liquid crystal light valves for video projection systems Laser doppler vibrometry & distance measurement interferometry Fluorescence metrology systems for surface inspection, microfluidics, & flow cytometry Precision surface metrology systems using confocal, brightfield, & darkfield geometries for the measurement of reflected/scattered light power, deflection angle, polarization, & wavefront Magnetic disk laser zone texturing & metrology & thin film metrology Laser cavities, multi-element lenses, & optical components Fiber optics & telecommunications Machine vision & ophthalmic imaging systems Optical component metrology Jann Optical Engineering's clients include: Agilent Technologies; BD Biosciences; Bosby & Associates; Cell Biosciences; Guava Technologies; HDI Instrumentation; Katsina Optics; Massie Laboratories; MMC Technology; SurroMed; Thot Technologies; & WaveSplitter Technologies.