Active manipulation of light beams is required for a range of emerging optical technologies, including sensing, optical computing, virtual/augmented reality, dynamic holography, and computational imaging.
As part of a comprehensive optofluidic platform, researchers at Stanford have developed an integrated dynamic flat-optics system enabling microlens-free metasurface planar light-field displays.
As part of a comprehensive optofluidic platform, researchers at Stanford have developed an integrated dynamic flat-optics system that supports unprecedented compact configurations.
As part of a comprehensive optofluidic platform, researchers at Stanford have developed a new type of reflective display technology for achieving transparent displays, which allow users to receive visual information from the external world through the display at the same time.
Researchers at Stanford have developed an ultracompact, high-quality-factor (high-Q) metasurface that enables more convenient phase contrast imaging. Phase contrast imaging is a critical technique in biology and medicine to image essentially transparent objects such as cells.
This invention facilitates the realization of optical elements with spatially multiplexed/interleaved phase profiles to achieve a high packing density of distinct optical elements on a surface.
Stanford researchers have developed a high efficiency OLED device by nanopatterning the electrode layer to create a high impedance metasurface (HIM) that reduces 'plasmonic' losses. A typical metal cathode traps a large portion of generated light in an OLED.
Researchers at Stanford have developed a simpler and low-cost micro-cavity design for color tuning of organic light emitting devices (OLEDs) for display applications. A micro-cavity is an essential part of OLED display for high color purity.
Researchers at Stanford have developed a dielectric diffraction grating that provides high (near-unity) diffraction efficiencies in an ultra-compact volume.
Researchers at Stanford have developed a near-eye display enabling both Augmented Reality (AR) and Virtual Reality (VR) modes with dynamically controlled contrast.
Researchers at Stanford have developed a highly efficient (>90%) holographic beam steering method for obtaining distance information of objects nearby, with applications from autonomous vehicles to home appliances.
Researchers at Stanford have developed a tunable metasurface with high reflectance and large phase modulation for use as optical phase modulators or beam steering device (Lidar). Currently, the large size of beam steering devices is a critical problem.