from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A method of producing a three-dimensional image of an object by recording on a photographic plate or film the pattern of interference formed by a split laser beam and then illuminating the pattern either with a laser or with ordinary light.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a technique for recording, and then reconstructing, the amplitude and phase distributions of a coherent wave disturbance; used to produce three-dimensional images or holograms
from the GNU version of the Collaborative International Dictionary of English
- transitive v. The process of producing holograms, usually requiring a source of coherent light, as from a laser.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the branch of optics that deals with the use of coherent light from a laser in order to make a hologram that can then be used to create a three-dimensional image
The technology of holography is progressing day by day.
When I was younger, I had a friend whose father, Lloyd Cross, had been one of the top people in holography in the 1970's, and who was still sought as an expert on the technology.
Pondering the "Magical Thinking" post, and some of the comments I received about it, I remembered asking my friend to explain holography to me.
The reference for interference is no longer the reflection of the image field itself (in holography usually called object field), rather it has to be provided by a separate reference field.
Gabor's original thought to use different waves for both steps within holography, has been taken up in many connections.
As the editor of Holography News, it’s always fascinating to see the latest trends in holography streets behind the fantastical science fiction world’s vision of what the technology should achieve.
This is one reason it is called the holography principle, and this dimensional relationship between a boundary and a space is one reason our usual notion of trajectories and the ordering of events is liberalized.
However, the process involves something called holography, which in a quantum perspective is a quantum fluctuation which changes the phase of the system.
I'll write about other interests, such as holography and jazz guitar.
A number of the displays in this area focus on the technologically experimental, such as William Parker's 1972 plasma sculptures, Stephen Benton's 1985 digital holography and Lawrence Stabile's 1971-74 analog music synthesizer.