community speaker september 2008 © copyright, college of optical sciences 1 holographic 3d display...

© copyright, College of Optical Sciences 1Community speaker

September 2008

Holographic 3D Display

P.-A. BlancheS.Tay R. Voorakarana

m

C. Christenson P. St Hilaire J. Thomas R. Norwood N. Peyghambar

ian

P. Wang D. Flores W. Lin M. YamamotoT. Gu

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September 2008

Motivation• Large size auto stereoscopic 3D display is not yet a reality

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September 2008

Current developments(autostereogram)

Name HolovideoMark II

360º Light Field

Display

Laser plasma Photopolymer 3D TV

Institution

MIT U. of Southern California

Jap. Nat. Inst. of Advanced

…

Zebra imaging Philips

Technique

Acousto opics crystal

Turning mirror

Plasma laser Dupont Photopolymer

Microlenslet array

Pros Video rate 360 ° filed of view

No support Realistic Simple

Cons Small Not scalable Dangerous/Dot per dot

Static Not phase/resolution

Example

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September 2008

Holography 101

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September 2008

Holography 102

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September 2008

Hologram

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September 2008

What is missing ?

• Technique• Processing power: 3 Teraflops for 1,024x1,024 image

video rate(PS3 218 Gigaflops -> x15)

• Material (dynamic)

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September 2008

Our assets

• Photorefractive polymer material

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September 2008

Photorefractive effect

-- +

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--- - --

-

+

+++++

++++

±±±±±

±±±±

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+- -- -

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September 2008

Photorefractive polymer

PATPD:DBDC:ECZ:C60 (49.5:30:20:05 wt%)

N

N

O

n

O

O

N CN

CN

DBDC (Dicyanostyrene-based chromophores)

PATPD(charge transport

matrix)

N

ECZ (plasticizer)

C60 (sensitizer)

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September 2008

Samples

1ft x 1ft

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September 2008

Technique(integral holography)

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September 2008

Very first results

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September 2008

Results

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September 2008

Publications

• Nature 451, 694 (2008)

• OPN 19, 7/8 (2008)

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September 2008

Press coverage

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September 2008

Science et Vie Junior 09/08(1.6 M readers)

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September 2008

Future

• Better resolution (HDTV)• Color (multiple holograms, angular multiplexing)• Larger (1ftx1ft and beyong)• Faster (100Hz pulsed laser)• Reflection geometry (white light illumination)• Full parallax (square factor)

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September 2008

Results