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

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Experimental techniques in making multicolor white light reconstructed holograms.

L H Lin¹, C V Lobianco

¹Bell Telephone Laboratories, Inc.,Murray Hill, New Jersey 07971, USA.

|January 12, 2010

Summary

Creating high-quality multicolor holograms for white light reconstruction presents challenges. This study discusses these difficulties and offers techniques to improve laser coherence, signal-to-noise ratio, and emulsion properties for better holographic imaging.

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Last Updated: Jun 17, 2026

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

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Published on: January 14, 2020

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Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects

Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects

Published on: February 8, 2014

Area of Science:

Holography
Optical Engineering
Materials Science

Background:

Producing high-quality multicolor holograms reconstructed in white light is hindered by limitations in light sources, lasers, photographic emulsions, and laboratory conditions.
Practical issues frequently arise, impacting the fidelity and clarity of holographic reconstructions.

Purpose of the Study:

To analyze the inherent difficulties in achieving high-quality multicolor holography with white light reconstruction.
To present practical techniques for overcoming these challenges and improving holographic imaging.

Main Methods:

Discussing the nature of practical problems encountered in multicolor holography.
Presenting techniques to enhance laser coherence length without significant power loss.
Detailing methods for improving the signal-to-noise ratio during holographic reconstruction.
Explaining emulsion shrinkage control to prevent color shifts.
Investigating methods to increase the speed of Kodak 649F emulsion.

Main Results:

Identified key challenges in multicolor holography related to light sources, lasers, and emulsions.
Demonstrated techniques for enhancing laser coherence and signal-to-noise ratio.
Provided solutions for controlling emulsion shrinkage and improving emulsion speed.

Conclusions:

The presented techniques offer practical solutions for producing superior multicolor holograms reconstructed in white light.
Improvements in laser characteristics, emulsion processing, and signal fidelity are crucial for advanced holographic applications.