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a photographic recording of a light field, rather than of an image formed by a lens used to display a fully 3D-image of the subject that is seen without at the aid of special glasses or optics

A hologram is simply a photographic recording of a light field, rather than of an image formed by a lens used to display a fully 3D-image of the subject that is seen without at the aid of special glasses or optics.

a physical structure that diffracts light into an image

According to the Holocenter, the Center for the Holographic Arts, a hologram is: a physical structure that diffracts light into an image.

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a three- dimensional photograph made with the aid of a laser (or photons)

A hologram is a three- dimensional photograph made with the aid of a laser (or photons).

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a three-dimensional image reproduced from a pattern of interference produced by a split coherent beam of radiation (such as a laser

A hologram is, of course, “a three-dimensional image reproduced from a pattern of interference produced by a split coherent beam of radiation (such as a laser),” as Merriam-Webster puts a laser.

an image that has been printed in such a way that A hologram appears to be three dimensional, even though A hologram ’s on a 2D surface

A hologram is an image that has been printed in such a way that A hologram appears to be three dimensional, even though A hologram ’s on a 2D surface.

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an image created by a photographic projection of a recording of a light field rather than an image formed by some sort of lens

A hologram is an image created by a photographic projection of a recording of a light field rather than an image formed by some sort of lens.

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an image created by reflecting a laser off of an object, and subjecting the reflected light to the light of a second laser

A hologram is an image created by reflecting a laser off of an object, and subjecting the reflected light to the light of a second laser.

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a picture that is stored as microscopic light and dark lines on the back side of a glass plate

A hologram is a picture that is stored as microscopic light and dark lines on the back side of a glass plate.

a photographic recording of a light field that includes the phase information of the recorded field

A hologram is a photographic recording of a light field that includes the phase information of the recorded field.

a photographic recording of a light field and not an image formed by a lens

A hologram is a photographic recording of a light field and not an image formed by a lens.