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7 terms
Photonics Dictionary: R
Clear All Filters x
holograms x
R x
rainbow hologram
Essentially, a hologram of a hologram, in which the first-generation hologram is masked with a narrow slit. During image reconstruction, the slit operates as the exit pupil in image space. The...
real holographic image
->
conjugate holographic image
Also known as real holographic image. The indistinct, highly distorted image produced on the side of the hologram closest to the observer, in addition to the primary image. When the location of the...
reconstructed image
An image that appears when a hologram is illuminated by a suitable light source, generally a laser beam.
reconstruction wave
The coherent wave used to play back a recorded hologram. It is identical to the reference wave used in the generation of the original hologram; part of it is diffracted by the recording medium and...
reference beam
In holography, the beam of light that is directed from the beamsplitter to the recording medium, where it interferes with the object beam to generate the hologram.
reflection hologram
A hologram that is illuminated by a source from the viewer's side.
rotating hologram
A disc composed of a series of holographic optical elements that diffract light at various angles. When spinning, a raster scan may be generated.
Photonics Dictionary
R
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