Harvard’s metalens technology enters commercial development Mass. startup Metalenz, Inc., to bring flat optics to consumer electronics and more FacebookTwitterEmailLinkedIn An illustration of the ultra-thin planar lens. The lens consists of titanium dioxide nanofins on a glass substrate. The lens focuses an incident light to a spot smaller than the wavelength this tight focusing enables subwavelength resolution imaging. (Image courtesy of Peter Allen/Harvard SEAS)Download Image A startup company founded by applied physicists at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) intends to transform consumer electronics by introducing a powerful technology for imaging and illumination that could replace conventional lenses with an ultrathin, flat optical microchip.