What is holographic technology?
What is holographic technology?
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Holography
Holography
Holographic technology refers to the use of holography to create visual effects. Holography is a technique that allows the creation of three-dimensional images, or holograms, that can be viewed from various angles, resulting in lifelike, 3D visual representations.
Holography has applications in several areas, including 3D displays, optical trapping, and microscopy imaging. It is also gaining traction in education, training, and entertainment, particularly through integrations with virtual reality (VR) and augmented reality (AR) technologies.
(Siwoo et al., 2024)
Types of Holograms
Types of Holograms
There are different types of holograms, and two primary methods for creating them: using computers with augmented or mixed reality glasses, and producing physical holograms for optical displays.
Physical holograms
Physical holograms
Physical holograms work by capturing and displaying light in specific ways. They can be viewed either by reflecting light off the hologram to the viewer or by passing a laser through the image to the viewer. The image is printed on a physical medium, such as a holographic plate or film. From the viewer’s perspective, their eye detects the light reflected off or transmitted through the hologram, creating the illusion of a 3D holographic image (Brenton & Bove, 2008).
According to HoloCenter (2024), these methods produce two basic types of holograms: transmission and reflection.
Transmission Holograms: These are designed to be viewed by shining light through them. They are usually created on a transparent medium, and the viewer sees the holographic image when light passes through the hologram.
Reflection Holograms: These are created on a reflective medium and are viewed by reflecting light off their surface. The holographic image is visible when light bounces off the hologram, allowing the viewer to see the image from various angles as if it were a three-dimensional object.
(HoloCenter, 2024)
How 3D holograms work
How 3D holograms work
For a more detailed explanation of how holograms are created, watch the following video from PBS Digital Studios (2016).
Augmented and mixed reality holograms
Augmented and mixed reality holograms
Recent advancements in holographic technologies, including the emerging field of spatial computing, have led to the development of augmented reality systems that support holography. These systems often come in the form of glasses or headsets that use holographic imaging.
Example:
A popular example is the Microsoft HoloLens.
The Microsoft HoloLens is an advanced mixed reality headset that utilizes multiple sensors, optics, and holographic processing to create a seamless integration of its holograms with the user's environment. The HoloLens projects digital content into the physical space, allowing users to engage with both virtual and real-world elements simultaneously.
You can learn more about this exciting technology on the Forecast and Future Trends page.
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