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Related Experiment Video

Updated: Jun 16, 2026

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Published on: February 3, 2023

Angular probe based on using Fabry-Perot etalon and scanning technique.

Shyh-Tsong Lin¹, Sheng-Lih Yeh, Zhi-Feng Lin

¹Department of Electro-optical Engineering, National Taipei University of Technology, 1, Sec 3, Chung-Hsiao East Road, Taipei 10608, Taiwan. f10402@ntut.edu.tw

|February 23, 2010

Summary

This summary is machine-generated.

This study introduces a new angular probe for precise angle measurements. The Fabry-Perot etalon-based system demonstrates high resolution, sensitivity, and accuracy for angular displacement determination.

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Area of Science:

Optics and Photonics
Metrology
Mechanical Engineering

Background:

Accurate angular displacement measurements are critical in various scientific and industrial applications.
Existing methods may have limitations in resolution, sensitivity, or absolute determination.

Purpose of the Study:

To propose and validate a novel angular probe for absolute angular displacement determinations.
To demonstrate the probe's high measurement resolution and sensitivity.

Main Methods:

Derivation of the measurement theory for angular displacement.
Construction and analysis of an experimental setup utilizing a Fabry-Perot etalon and angular scanning.
Experimental validation of the probe's performance.

Main Results:

The proposed angular probe exhibits high measurement resolution and sensitivity.
Experimental results confirm the probe's validity, stability, accuracy, and repeatability.
Demonstration of a practical application for the angular probe.

Conclusions:

The novel angular probe offers a reliable and accurate method for absolute angular displacement measurements.
The system's performance characteristics make it suitable for demanding metrology applications.
The study validates the effectiveness and potential applications of the developed angular probe.