Beam Duplicator Consisting of a Waveguide Coupler and Display on a Head Mounted Display

We fabricated a SiO2 embedded-TiO2 slanted nanograting sample using reactive ion etching and electron beam lithography techniques investigated their optical responses. Surface morphology for the gratings was monitored by scanning microscope (SEM). According to SEM observation, cross-section shape of like saw-tooth with angle 55°, periodicity determined be ?704 nm. In measurement, high order diffraction intensity 4.63% at 0th 14.8% +1st interface between TiO2 were obtained irradiating transverse electric polarized wavelength 532 nm incident 17.5° from rear side TiO2. The passed through substrate and, then, directly emitted into atmosphere. can create virtual reality (VR) image project on board. On other hand, is guided zigzag substrate. During waveguide, duplicated property either forbidden system or an accepted permits partial penetration permeable display mounted surface Penetrated duplication beams are waveguided total internal reflection in display, resulting emission face display. provide VR images future, this integrated devise will play important role head creating projection simultaneously.