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Updated: Jun 15, 2026

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
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Computer-produced holograms for scanners utilizing an auxiliary reflector.

C S Ih, N Kong, T Giriappa

    Applied Optics
    |March 4, 2010
    PubMed
    Summary

    Computer-generated holograms were created for scanners using an auxiliary reflector. This technique is ideal for long-wavelength imaging, making real-time systems practical.

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    Area of Science:

    • Optics and Photonics
    • Holography
    • Imaging Systems

    Background:

    • Direct hologram recording can be impractical or inconvenient for certain wavelengths.
    • Longer wavelengths (infrared, microwave, ultrasonic) present challenges for traditional holographic methods.

    Purpose of the Study:

    • To demonstrate the construction and application of computer-generated holograms for scanners.
    • To provide mathematical formalism and fabrication procedures for these holograms.
    • To enable practical real-time imaging in long-wavelength regions.

    Main Methods:

    • Utilizing an auxiliary reflector in conjunction with computer-generated holograms.
    • Developing mathematical formalism for hologram calculation.
    • Detailing fabrication procedures for hologram construction.

    Main Results:

    • Successful construction and demonstration of computer-produced holograms for scanners.
    • Validation of the method for various wavelengths, especially longer ones.
    • Demonstration of suitability for two-dimensional (2-D) scanners.

    Conclusions:

    • Computer-generated holograms with auxiliary reflectors offer a viable solution for long-wavelength imaging.
    • The described method facilitates the practical implementation of real-time imaging systems in the infrared, microwave, and ultrasonic ranges.
    • This approach expands the applicability of holographic techniques to previously challenging spectral regions.

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