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Related Concept Videos

Stereoisomers02:32

Stereoisomers

On the basis of mirror symmetry, stereoisomers of an organic molecule can be further classified into diastereomers and enantiomers. Diastereomers are stereoisomers that are not mirror images of each other. Substituted alkenes, such as the cis and trans isomers of 2-butene, are diastereomers, as these molecules exhibit different spatial orientations of their constituent atoms, are not mirror images of each other, and do not interconvert. Here, the interconversion is suppressed due to restricted...
Stereoisomerism02:52

Stereoisomerism

Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula.
Transition metal complexes often exist as geometric isomers, in which the same atoms are connected through the same types of bonds but with differences in their orientation in space. Coordination complexes with two different ligands in the cis and trans positions from a ligand of interest form isomers. For example, the octahedral [Co(NH3)4Cl2]+ ion has two isomers (Figure 1) In the cis...
Fischer Projections02:18

Fischer Projections

Learning to draw Fischer projections of molecules and understanding their relevance plays a crucial role in the visual depiction of organic molecules. A Fischer projection is a two-dimensional projection on a planar surface to simplify the three-dimensional wedge–dash representation of molecules. This is especially helpful in the case of molecules with multiple chiral centers that can be difficult to draw. Here, all the bonds of interest are represented as horizontal or vertical lines. While...
Stereoisomerism of Cyclic Compounds02:33

Stereoisomerism of Cyclic Compounds

In this lesson, we delve into the role of ring conformation and its stability, which determines the spatial arrangement and, consequently, the molecular symmetry and stereoisomerism of cyclic compounds. 1,2-Dimethylcyclohexane is used as a case study to evaluate the possible number of stereoisomers. Here, given the multiple (n = 2) chiral centers, there are 2n = 4 possible configurations that lack a plane of symmetry, as the ring skeleton exists in a non-planar chair conformation. In addition,...
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
Group Polarization01:01

Group Polarization

Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.

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Related Experiment Video

Updated: Jun 1, 2026

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
09:04

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

Published on: January 14, 2020

Stereogram implemented with a holographic image splitter.

Wei-Chia Su1, Chien-Yue Chen, Yi-Fan Wang

  • 1Graduate Institute of Photonics, National Changhua University of Education, Changhua, 50007, Taiwan.

Optics Express
|June 7, 2011
PubMed
Summary

A novel holographic optical element (HOE) was developed to create stereograms on liquid crystal displays. This HOE effectively splits images for stereoscopic viewing, offering high diffraction efficiency and contrast for enhanced 3D display applications.

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How to Create and Use Binocular Rivalry
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Last Updated: Jun 1, 2026

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
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Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

Published on: January 14, 2020

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
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How to Create and Use Binocular Rivalry
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Area of Science:

  • Optics
  • Display Technology
  • Holography

Background:

  • Traditional stereoscopic displays often use complex or bulky image splitters.
  • Integrating 3D viewing capabilities into standard displays requires efficient and compact solutions.

Purpose of the Study:

  • To develop a specialized holographic optical element (HOE) for generating stereograms on liquid crystal display (LCD) panels.
  • To replace conventional image splitters with a directly attachable HOE for stereoscopic displays.

Main Methods:

  • Design and fabrication of a unique holographic optical element.
  • Integration of the HOE onto a 2.2-inch LCD panel.
  • Experimental evaluation of image separation and optical performance.

Main Results:

  • The developed HOE effectively separates two images with slightly different viewing angles.
  • Individual right and left eye images are delivered accurately.
  • Achieved diffraction efficiency of approximately 43% for each image.
  • Demonstrated a cross-talk contrast ratio exceeding 60%.

Conclusions:

  • The proposed HOE offers an effective solution for direct attachment to conventional LCD panels.
  • The technology provides good contrast ratio and brightness for stereogram applications.
  • This advancement facilitates simpler and potentially more cost-effective stereoscopic display systems.