Phi Optics designs and manufactures devices based on Quantitative Phase Imaging (QPI), a label free and quantitative imaging technology with nanoscale sensitivity. QPI-enabled devices have applications in life sciences, diagnostic pathology, and nanotechnology markets. Founded by Drs. Gabriel Popescu and Catalin Chiritescu, Phi Optics is commercializing technology initially developed in Prof. Popescu's laboratory at the University of Illinois at Urbana-Champaign. The company is a graduate of the NSF Innovation Corps program (March 2012 cohort) and is located in the EnterpriseWorks incubator in the University of Illinois Research Park.