Jann Optical Engineering If you're in the dark when it comes to light, just call JOE! Welcome to Jann Optical Engineering. Founded by Peter C. Jann in September of 2000, the company offers optical design & development services for both components & entire systems. Our expertise covers a broad spectrum of successful commercial applications. Jann Optical Engineering can help you with your optical engineering challenges in many applications. We have expertise in areas such as: optical data storage; liquid crystal light valves; laser doppler vibrometry & interferometry; fluorescence metrology for surface inspection, microfluidics, & flow cytometry; semiconductor wafer inspection & metrology; magnetic disk inspection, metrology, & laser zone texturing; lasers; fiber optics & telecommunications; machine vision; ophthalmic imaging; & finally, optical component metrology. We provide optical, mechanical, & electronic design & development services.