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Updated: Jun 26, 2026

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

Published on: April 26, 2014

Polarimetric interferometer for nanoscale positioning applications.

S Xu1, K Ouedraogo, L Chassagne

  • 1LISV, University of Versailles Saint-Quentin, PRES UniverSud, Versailles, France.

The Review of Scientific Instruments
|January 7, 2009
PubMed
Summary
This summary is machine-generated.

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This study presents a subnanometric displacement control method using a Michelson interferometer and polarimeter. The system achieves 0.47 nm repeatability, enabling precise nanometrology applications.

Area of Science:

  • Optics and Photonics
  • Metrology
  • Control Systems Engineering

Background:

  • Precise displacement control is crucial for advanced manufacturing and scientific research.
  • Existing methods often face limitations in achieving subnanometric resolution and repeatability.
  • Nanometrology demands highly accurate positioning systems for nanoscale characterization and manipulation.

Purpose of the Study:

  • To develop and demonstrate a novel displacement control method with subnanometric precision.
  • To investigate the influence of polarization state on positioning accuracy.
  • To establish the repeatability and potential applications of the developed system.

Main Methods:

  • Integration of a Michelson interferometer with a polarimeter for enhanced measurement capabilities.

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Last Updated: Jun 26, 2026

Implementation of a Reference Interferometer for Nanodetection
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  • Utilization of a phase-locked loop (PLL) electronic board for real-time feedback and control.
  • Characterization of step-by-step displacements and repeatability over a 1 micrometer range.

    • Main Results:

    • Demonstration of step-by-step displacements with a 5 nm step value.
    • Achieved a repeatability of 0.47 nm over a 1 micrometer range.
    • Quantified positioning error to be less than 1 nm for residual ellipticity below 10 degrees.

    Conclusions:

    • The proposed displacement control system achieves subnanometric precision and high repeatability.
    • The system's performance is sensitive to polarization state, requiring careful control.
    • The technology holds significant potential for millimeter-range displacements in controlled environments for nanometrology.