Seminar OnSeminar OnHOLOGRAPHIC VERSATILE HOLOGRAPHIC VERSATILE

DISC(HVD)DISC(HVD)Presented By:Presented By:Rajdeep BanerjeeRajdeep Banerjee

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Bibhash Chandra SadashivBibhash Chandra Sadashiv

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B. Tech -3B. Tech -3rdrd Year Year

IntroductionIntroduction

What is Holography?What is Holography?

A Historical LookA Historical Look Year: 1963 Year: 1963

Name: Pieter J. van HeerdenName: Pieter J. van HeerdenLocation: Polaroid Location: Polaroid

Basics of Holographic MemoryBasics of Holographic Memory

Spatial light modulatorSpatial light modulator

Reference Beam

Reference Beam

Storage materialStorage material

Information Beam

Information Beam

Detector ArrayDetector Array

(CCD)(CCD)

Light Light InterferenceInterference

17251725

18461846

19501950

19631963

19691969

19561956

The Future?The Future?

RevolutionRevolution

Punch cardsPunch cards

Punched tapePunched tape

Magnetic tapeMagnetic tape

Compact CassetteCompact Cassette

The floppy diskThe floppy disk

The hard driveThe hard drive

Holographic Versatile Disc (HVD)Holographic Versatile Disc (HVD)

StructureStructure

1. Green writing/reading laser (532 nm)1. Green writing/reading laser (532 nm)2. Red positioning/addressing laser (650 nm)2. Red positioning/addressing laser (650 nm)3. Hologram (data)3. Hologram (data)4. Polycarbon layer4. Polycarbon layer5. Photo polymeric layer (data-containing layer)5. Photo polymeric layer (data-containing layer)6. Distance layers6. Distance layers7. Dichroic layer (reflecting green light)7. Dichroic layer (reflecting green light)8. Aluminium reflective layer (reflecting red light)8. Aluminium reflective layer (reflecting red light)9. Transparent base9. Transparent baseP. PITP. PIT

TechnologyTechnology

Storage Capaciry:Storage Capaciry: 3.9 terabytes 3.9 terabytesTransfer rate:Transfer rate: 1 Gbit/s 1 Gbit/s Speed:Speed: 60,000 bits per pulse 60,000 bits per pulse Information Beam:Information Beam: Green laser Green laser Output Power:Output Power: 1 watt 1 watt

CD/DVDCD/DVD HVDHVD

HVD System: Writing DataHVD System: Writing Data

Blue or green laser (532-nm Blue or green laser (532-nm wavelength in the test wavelength in the test system) system) Beam splitter/merger Beam splitter/merger Mirrors Mirrors Spatial light modulator (SLM) Spatial light modulator (SLM) CMOS sensor CMOS sensor Photopolymer recording Photopolymer recording mediummedium

HVD System: Reading DataHVD System: Reading Data

How HVD ComparesHow HVD Compares

5,500 times the capacity of a CD-ROM 5,500 times the capacity of a CD-ROM

830 times the capacity of a DVD 830 times the capacity of a DVD

160 times the capacity of single-layer Blu-ray Discs 160 times the capacity of single-layer Blu-ray Discs

4 times the capacity of the largest computer hard drives as of 2007 4 times the capacity of the largest computer hard drives as of 2007

Blu-rayBlu-ray HD-DVDHD-DVD HVDHVD

Initial cost for Initial cost for recordable discrecordable disc

Initial cost for Initial cost for recorder/playerrecorder/player

Initial storage Initial storage capacitycapacity

Read/write Read/write speedspeed

Approx. $18Approx. $18

Approx. $2,000Approx. $2,000

54 GB54 GB

36.5 Mbps36.5 Mbps

Approx. $10Approx. $10

Approx. $2,000Approx. $2,000

30 GB30 GB

36.5 Mbps36.5 Mbps

Approx. $120Approx. $120

Approx. $3,000Approx. $3,000

300 GB300 GB

1 Gbps1 Gbps

AdvantagesAdvantagesAdvantagesAdvantages Inconveniences Inconveniences

Each of the holograms Each of the holograms pages containing pages containing approximately a million bitsapproximately a million bits

1 Gb/s, 60,000 bits/pulse to 1 Gb/s, 60,000 bits/pulse to the writingthe writing

3.9 terabytes (TB) of 3.9 terabytes (TB) of information information

Reference beam and the Reference beam and the information beam into information beam into the recording medium on the recording medium on different axis different axis

Highly complex optical Highly complex optical systems systems

Very CostlyVery Costly

Cost & AvailabilityCost & Availability

Drives cost: Drives cost: $15,000 (Roughly)$15,000 (Roughly)

Media cost: Media cost: $120 to $180 per disc (Roughly)$120 to $180 per disc (Roughly)

Lifetime: Lifetime: 50 years (Roughly)50 years (Roughly)

Storage: Storage: Between 100GB and 1TB of dataBetween 100GB and 1TB of data

Speed: Speed: 1G bit per second1G bit per second

Company: Company: Optware, Maxell along with InPhaseOptware, Maxell along with InPhase

Newest Launch!!Newest Launch!!

Holographic Versatile CardHolographic Versatile Card

Storage Capacity:Storage Capacity: 30GB30GBWrite Speed:Write Speed: 3 times faster than Blu Ray3 times faster than Blu Ray Cards Cost:Cards Cost: $1 each$1 each Drives Cost:Drives Cost: $2,000 each$2,000 eachMaker: Maker: OptwareOptware

AllianceAlliance

ApplicationApplication

Thank Thank YouYou

ReferencesReferencesWikipedia –the free Encyclopedia

http://en.wikipedia.org/wiki/Holographic_Versatile_Disc

Howstuffworks

http://electronics.howstuffworks.com/hvd.htm

Gizmocafe

http://www.gizmocafe.com/tv-video/hvd.aspx

Eweek

http://www.eweek.com/article2/0,1759,1759907,00.asp

Wikispace

http://lis3353.wikispaces.com/Holographic+Versatile+Disc+(HVD)

Images takes from

www.google.co.in