Hologram

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Ingenium, 1987.2600.001
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OBJECT TYPE
transmission/laser/data storage
DATE
1982
ARTIFACT NUMBER
1987.2600.001
MANUFACTURER
Tianjin Microform Technique Development Corp.
MODEL
Super Microfiche Information Storage Hologram
LOCATION
Tianjin, China

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
glass

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
14.9 cm
Width
10.6 cm
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Physics
Category
Light & electromagnetic radiation
Sub-Category
N/A

Manufacturer

AKA
Tianjin
Country
China
State/Province
Unknown
City
Tianjin

Context

Country
Canada
State/Province
Ontario
Period
late 1980s
Canada
Collected for the exhibit "Images in Time & Space" mounted by the Associates of Science & Technology (AST) & NMST circa1988-1989.
Function
A medium which presents a three dimensional image, in this case serving as an information storage device containing 3030 pages of text.
Technical
An example of a high capacity information storage application of holography, a Fourier laser transmission hologram on bleached silver halide emulsion. It consists of microfiche book pages on a hologram & is is designed to be projected onto a microfiche screen. A Fourier hologram is a specialized hologram made for pattern recognition which uses a lens to produce a Fourier transform of the subject (Ref. 2). The theory of holography was developed in 1947 by British/Hungarian scientist Dr. Dennis Gabor while working to improve the resolution of electron microscopes. In 1960 the laser was invented and its pure white light was ideal for holography. In 1962 Emmett Leith and Juris Upatnieks of the University of Michigan, combined Gabor's theory with their own work in side-reading radar and applied it to holography, resulting in the off-axis technique of hologram production still in use & the first laser transmission hologram. Also in 1962 Dr. Yuri N. Denisyuk of the U.S.S.R combined holography with Gabriel Lippmann's work in natural colour photography to produce a white-light reflection hologram which, for the first time, could be viewed in light from an ordinary incandescent light bulb. By 1965 Leith, Upatnieks & other U.S. researchers had developed off-axis reflection holograms (Ref. 1).
Area Notes
Unknown

Details

Markings
black lettering on glass along top edge reads "No. TVS-01/ "LASER" Vol. 7, no. 1(1980) - Vol. 9, no. 10 (1982)/ "ACTA OPTICA SINICA" Vol. 2, no. 1-4 (1982)"/ brown lettering along bottom edge reads "A HOLOGRAPHIC MICROFICHE (70x43), MADE IN TIANJIN, CHINA"
Missing
appears complete
Finish
colourless transparent glass with brown stripes
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Tianjin Microform Technique Development Corp., Hologram, 1982, Artifact no. 1987.2600, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1987.2600.001/

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