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High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
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High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

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Fiber-optic interferometer fringe projection using integrating bucket modulation.

Duan Fajie1, Lv Changrong, Zhang Chao

  • 1State Key Lab of Precision Measuring Technology & Instruments, Tianjin University, Tianjin 300072, China.

Journal of the Optical Society of America. A, Optics, Image Science, and Vision
|March 5, 2013
PubMed
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This study introduces a novel fiber-optic interferometer fringe projection method using the integrating bucket technique. It optimizes phase modulation for accurate interference fringe projection, enhancing optical metrology.

Area of Science:

  • Optics and Photonics
  • Interferometry
  • Fiber Optics

Background:

  • Interference fringe projection is crucial for optical metrology.
  • Existing methods may have limitations in adaptability and precision.
  • Sinusoidal phase-modulating techniques offer potential for improved fringe projection.

Purpose of the Study:

  • To present a new fiber-optic interferometer fringe projection method.
  • To integrate the integrating bucket method with advanced modulation techniques.
  • To optimize parameters for enhanced fringe projection accuracy.

Main Methods:

  • Utilized a Mach-Zehnder interferometer structure.
  • Applied Young's double pinhole interference principle.
  • Incorporated sinusoidal phase-modulating technique and phase-generated carrier technology.

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Implementation of a Reference Interferometer for Nanodetection
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Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

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Last Updated: May 13, 2026

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
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High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

Published on: December 3, 2013

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

  • Directly considered laser modulation intensity (companion amplitude modulation, m) and optimized phase modulation (z).

    • Main Results:

    • Demonstrated a novel fiber-optic interferometer fringe projection technique.
    • Successfully integrated the integrating bucket method with phase modulation.
    • Identified optimal phase modulation (z) for varying modulation intensities (m).
    • Calculated initial phase (φ(0)) using phase-generated carrier technology.

    Conclusions:

    • The presented method offers a new approach to fiber-optic interferometer fringe projection.
    • Optimization of phase modulation and consideration of laser intensity improve projection accuracy.
    • The technique shows promise for advanced optical metrology applications.