Mix-and-Match: E-beam and Optical Lithography for Optical Gratings and Waveguides- Final Report PDF File: Mix-and-Match: E-beam and Optical Lithography for Optical Gratings and Waveguides- Final Report This should be displaying Mix-and-Match: E-beam and Optical Lithography for Optical Gratings and Waveguides- Final Report inline. If it's not, look to see if your browser is set to automatically download pdf files.