3D Holographic

Projection Technology

Contents• What is Holography

• Why Holography

• Types of Holograms

• How Holograms work

• Recording of hologram

• Reconstruction of hologram

• Advances in technology

• Applications & Future scope

• Conclusion

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What is holography

Holography is a technique that allows the light

scattered from an object to be recorded and later

reconstructed.

The technique to optically store, retrieve, and process

information.

Preserve the 3-D information of a holographed

subject

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Why

holographic display

A high resolution three

dimensional recording of an

object

Glasses free 3D displayeed for

projection screen

Life like images

Interactive display

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Timeline of holography5

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How

holograms

workThe time-varying light field

of a scene with all its physical

properties is to be recorded

and then regenerated.

Hence the working of

holography is divided into

two phases:

•Recording

•Reconstruction

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Recording

of hologram Basic tools required to

make a hologram

includes a red lasers,

lenses, beam splitter,

mirrors and holographic

film

Holograms are recorded

in darker environment

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Recording a hologram 8

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Process

When the two laser beams reach the recording

medium, their light waves intersect and interfere with

each other. It is this interference pattern that is

imprinted on the recording medium.

Hologram

Recording

Hologram

Reconstruction

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Reconstructing a hologram 11

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ENTERTAINMENT

VIRTUAL COMMUNICATION

SIMULATION AND PLANNING

MILITARY AND SPACE APPLICATION

TEACHING AND TRAINING

ONE ON ONE WITH VIRTUAL HOLOGRAPHIC

IMAGES

SPORT TECHNIQUE COACHING AND

TRAINING

VIRTUAL COMMUNICATION

RECORD YOURSELF FOR FUTURE GREAT

GRANDCHILDREN

VIRTUAL SALES PRESENTATION

CORPORATE MEETINGS WITHOUT TRAVEL

THE PRESIDENTIAL VISIT

PLANNING AND SIMULATION

DISASTER PLANNING

TRAFFIC,TRANSPORTATION

MILITARY AND SPACE APPLICATION

HOLOGRAPHIC DECOYS AND DECEPTION

APPLICATIONS

HOLOGRAPHIC CHECK POINTS

Future scope

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Virtual

screen less

display

Retinal

display

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Retinal display

Reflected Light

How Vision works

Object

Image

Projected Image

Retinal Projection

Projector

Image

Camera sends images to

electrode implant

Projected cost of Holographic

system

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Conclusion Holographic Technology

and Spectral Imagining has

endless applications, as far

as the human mind can

imagine

In future, holographic

displays will be replacing

all present displays in all

sizes, from small phone

screen to large projectors

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References

Hologram Scaling with Wavelength http://hyperphysics.phy-

astr.gsu.edu/Hbase/optmod/scaleh.html#c1

N. J. Phillips and D. Porter, "An advance in the processing of

holograms," Journal of Physics E: Scientific Instruments (1976)

p. 631

Specular holography http://www.zintaglio.com/how.html

Scaling Holographic Images, http://hyperphysics.phy-

astr.gsu.edu/Hbase/optmod/holog.html#c5

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