3517 zhang2016 pdf citations 1578936804 0340448815dfbf9e5fc1241d6dc522fa 5efa53de10646be7a13814b2102c722fc27c4416206d977da63693988f778422 high efficiency near diffraction limited mid infrared flat lenses based on metasurface reflectarrays 2020 01 13 10 33 24 zhang et al 0 207 46 70 02 06 41 42 release pdf application num_pages analyze pdf_pages pdf_2text timings
