Holographic display ---Where the idea comes from? Guo Yu [1] Yu, - - PowerPoint PPT Presentation

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Jun 14, 2023 272 likes •401 views

Holographic display ---Where the idea comes from? Guo Yu [1] Yu, Hyeonseung, KyeoReh Lee, Jongchan Park, and YongKeun Park. "Ultrahigh-definition dynamic 3D holographic display by active control of volume speckle fields." Nature

SLIDE 1

Holographic display

Guo Yu

--Where the idea comes from?

[1] Yu, Hyeonseung, KyeoReh Lee, Jongchan Park, and YongKeun Park. "Ultrahigh-definition dynamic 3D holographic display by active control of volume speckle fields." Nature Photonics (2017). [2] Focusing light through frosted glass leads to new 3D display technology. https://arstechnica.com/science/2017/01/researchers-move-closer-to-world-where-holographic-displays-dont-suck/

SLIDE 2

What is Holo?

Hololens Miku

SLIDE 3

What is Holo?

Hololens Miku Holographic

SLIDE 4

How does Holo work?

Interference http://computer.howstuffworks.com/holographic-memory2.htm

SLIDE 5

diffraction

How does Holo work?

http://computer.howstuffworks.com/holographic-memory2.htm

SLIDE 6

Bottle-neck of Holo

View angle
Image resolution
Full-color
Dynamic

SLIDE 7

Key idea

Volume speckle field Wavefront Highly scattering Holographic diffusers

SLIDE 8

Key idea

Volume speckle field Wavefront Highly scattering Holographic diffusers

SLIDE 9

Experiment setup

SLIDE 10

Behind the idea

Fundamental physics ideas.

SLIDE 11

Behind the idea

Scattering materials, like milk, turn light into a chaotic jumble. But if

we could control how they scatter light, we could turn them into useful things like focusing devices.