Related Experiment Video
Updated: Jun 19, 2026

09:04
Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
Published on: January 14, 2020
Summary
This study introduces a novel method for creating full-color holograms using three computer-generated holograms. This approach simplifies the production of virtual 3D objects by reducing computational demands.
Area of Science:
- Optics
- Computer Graphics
- Holography
Background:
- Optically recorded rainbow holograms are common for producing color holograms.
- Computed synthetic holograms offer virtual 3D object display without a recording process.
- High space-bandwidth product requirements hinder the materialization of computed hologram structures.
Purpose of the Study:
- To overcome the limitations of high space-bandwidth product requirements in computed hologram structures.
- To develop a practical method for generating full-color holograms using computer-generated holograms (CGHs).
Main Methods:
- Utilized a set of three computer-generated holograms (CGHs) as master holograms.
- Each master hologram encoded information for a distinct color (e.g., red, green, blue).
- Employed an optical recording process using these master CGHs.
Main Results:
- Successfully reduced the space-bandwidth product requirements for synthetic hologram structures.
- Enabled the creation of full-color holograms through an optical recording process with CGHs.
- Demonstrated a feasible method for materializing complex computed hologram structures.
Conclusions:
- The proposed method using multiple master CGHs effectively addresses the space-bandwidth challenge.
- This technique provides a practical pathway for generating virtual 3D objects in full color.
- Advances the field of computational holography and virtual reality displays.
Related Concept Videos
Color Vision
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
IR Absorption Frequency: Hybridization
Hydrocarbons such as alkanes, alkenes, and alkynes show characteristic C–H stretching absorption bands. These IR stretching frequencies depend on the hybridization of the involved carbon atom and can be explained in terms of the s character of each hybridized atomic orbital.
Among the sp, sp2, and sp3 hybridized orbitals, sp orbitals have the maximum s character (50%). Consequently, the electrons are held more closely to the nucleus, resulting in stronger and shorter C–H bonds that stretch at a...
Among the sp, sp2, and sp3 hybridized orbitals, sp orbitals have the maximum s character (50%). Consequently, the electrons are held more closely to the nucleus, resulting in stronger and shorter C–H bonds that stretch at a...
Hybridoma Technology
Hybridoma technology is used for the large-scale production of monoclonal antibodies. Monoclonal antibodies bind to only a single antigenic determinant or epitope. Such antibodies are used in research, diagnostics, and disease therapy. The hybridoma technology established in 1975 by Georges Köhler and Cesar Milstein was awarded the Nobel Prize in Medicine in 1984 for revolutionizing research and therapy.
Hybridoma Selection
Commonly used fusion techniques — electroporation, polyethylene glycol...
Hybridoma Selection
Commonly used fusion techniques — electroporation, polyethylene glycol...
In-situ Hybridization
In situ hybridization (ISH) is a technique used to detect and localize specific DNA or RNA molecules in cells, tissue, or tissue sections using a labeled probe. The technique was first used in 1969 for the investigation of nucleic acids. It is currently an essential tool in scientific research and clinical settings, especially for diagnostic purposes.
Types of probes and labels
A probe is a complementary strand of DNA or RNA that binds to corresponding nucleotide sequences in a cell. Many...
Types of probes and labels
A probe is a complementary strand of DNA or RNA that binds to corresponding nucleotide sequences in a cell. Many...
Hybrid Zones
Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.Gene flow and natural selection are evolutionary mechanisms that shape the outcome of a hybrid zone. Gene flow...

