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Its flagship device, Microsoft HoloLens, was announced at the "Windows 10: The Next Chapter" press event on January 21, 2015. [2] The HoloLens provides an augmented reality experience where a live presentation of physical real-world elements is incorporated with that of virtual elements (referred to as "holograms" [a] by Microsoft) [3] [4] [5] such that they are perceived to exist together in ...
A holographic display is a type of 3D display that utilizes light diffraction to display a three-dimensional image to the viewer. Holographic displays are distinguished from other forms of 3D displays in that they do not require the viewer to wear any special glasses or use external equipment to be able to see the image, and do not cause a vergence-accommodation conflict.
It involves generating holographic interference patterns. A computer-generated hologram can be displayed on a dynamic holographic display, or it can be printed onto a mask or film using lithography. [1] When a hologram is printed onto a mask or film, it is then illuminated by a coherent light source to display the holographic images.
The hologram keeps the information on the amplitude and phase of the field. Several holograms may keep information about the same distribution of light, emitted to various directions. The numerical analysis of such holograms allows one to emulate large numerical aperture, which, in turn, enables enhancement of the resolution of optical microscopy.
In April 2016 Microsoft created the Microsoft HoloLens App for Windows 10 PCs and Windows 10 Mobile devices. The app allows developers to run apps on the HoloLens, use cell phone or computer keyboards for text input, view streamed video from the HoloLens on an external device and remotely capture mixed reality photos and videos.
SLMs are used extensively in holographic data storage setups to encode information into a laser beam similarly to the way a transparency does for an overhead projector. They can also be used as part of a holographic display technology. In the 1980s, large SLMs were placed on overhead projectors to project computer monitor contents to the screen.
A holographic screen is a two-dimensional display technology that uses coated glass media for the projection surface of a video projector. "Holographic" refers not to a stereoscopic effect, but to the coating that bundles light using formed microlenses. The lens design and attributes match the holographic area.
Holographic optical element (HOE) is an optical component (mirror, lens, directional diffuser, etc.) that produces holographic images using principles of diffraction.HOE is most commonly used in transparent displays, 3D imaging, and certain scanning technologies.