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Pinhole-array-based hyperspectral interferometry for single-shot profilometry and depth-resolved displacement measurements

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thesis
posted on 23.11.2020, 09:43 authored by Tobias Reichold
Surface profile and topography measurements of manufactured goods and components across all sectors of engineering are an integral component of a production process. Control measurements are taken on a regular basis to ensure items fulfil the required quality standards. Recent industry developments are driving towards more in-situ sensory measurement and monitoring systems. Depending on the dimensional layout and integral material properties of a sample, different metrological measurement techniques come into action for example Coherence Scanning Interferometry or focus variation microscopy. These techniques require high environmental stability and cannot be used for in-line inspection due to long mechanical scanning times. Recent developments in Hyperspectral Interferometry have laid the foundation for a potential single-shot absolute distance measurement technique suitable for in-line inspection. In this thesis a new version of Hyperspectral Interferometry is presented based on a pinhole array. [Continues.]

Funding

EPSRC Centre for Doctoral Training in Embedded Intelligence

Engineering and Physical Sciences Research Council

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History

School

  • Mechanical, Electrical and Manufacturing Engineering

Publisher

Loughborough University

Rights holder

© Tobias V. Reichold

Publication date

2020

Notes

A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of the degree of Doctor of Philosophy of Loughborough University.

Language

en

Supervisor(s)

Pablo D. Ruiz ; Jonathan M. Huntley

Qualification name

PhD

Qualification level

Doctoral

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