"Kessels M\u00E9lanie, Nassour Charbel, Grosso Philippe, Heggarty Kevin. Direct write of optical diffractive elements and planar waveguides with a digital micromirror device based UV photoplotter. Optics Communications, Elsevier, 2010" . "Direct write of optical diffractive elements and planar waveguides with a digital micromirror device based UV photoplotter" . . . "2010" .