Hologram

Hologram

A photographic film or plate containing interference patterns created by the coherence of laser light. A three-dimensional image may be reconstructed from a hologram. There are transmission, reflection or integral holograms.

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Part of Speech: noun
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Industry/Domain: Industrial machinery
Category: Laser equipment
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hologram

Printing & publishing; Publishing

A three-dimensional image of an object produced by recording the patterns of interference formed by a split laser beam on a photographic plate or film, and then illuminating the ...

hologram

Medical devices; Clinical analytical instruments

Holograms are made by shining laser beams onto mirrors that are placed around the object, and then projecting the reflected light onto a special type of photographic paper.

hologram

Engineering; Electronic engineering

1. A wavefront recording made on photographic film by the process of holography. By changing the frequency of the light transmitted, various magnifications of the image can be ...

hologram

Convention; Conferences

A photographic effect using lasers to obtain a three dimensional image on a flat surface.

hologram

Materials science; Material physics

Recording which contains holographic images.

Absorb

Industrial machinery; Laser equipment

To transform radiant energy into a different form accompanied by a rise in temperature.

Absorption Coefficient

Industrial machinery; Laser equipment

Factor describing light's ability to be absorbed per unit of path length.

Accessible Emission

Industrial machinery; Laser equipment

The magnitude of accessible laser (or other collateral) radiation of a specific wavelength or emission duration at a particular point as measured by appropriate methods and ...

Accessible Emission Limit

Industrial machinery; Laser equipment

The maximum accessible emission level limit (AEL) permitted within a particular class. In ANSI Z-136.1, AEL is determined as the product of Accessible Emission times the Maximum ...

Active Medium

Industrial machinery; Laser equipment

Collection of atoms or molecules capable of undergoing stimulated emission at a given wavelength.

Afocal

Industrial machinery; Laser equipment

Literally, "without a focal length"; an optical system with its object and image point at infinity.

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