J. M. Huntley
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View article: De-pixelating phase mask for digital fringe projection
De-pixelating phase mask for digital fringe projection Open
View article: Single-shot wavelength meter on a chip based on exponentially increasing delays and in-phase quadrature detection
Single-shot wavelength meter on a chip based on exponentially increasing delays and in-phase quadrature detection Open
View article: Adaptive delay lines implemented on a photonics chip for extended-range, high-speed absolute distance measurement
Adaptive delay lines implemented on a photonics chip for extended-range, high-speed absolute distance measurement Open
High-speed (upwards of 105 coordinates s-1) and long-range (~10 m) absolute distance measurement applications based on frequency scanning interferometry (FSI) generate very high modulation frequencies (typically >1…
View article: Theoretical estimates of the parameters of longitudinal undular bores in polymethylmethacrylate bars based on their measured initial speeds
Theoretical estimates of the parameters of longitudinal undular bores in polymethylmethacrylate bars based on their measured initial speeds Open
We study the evolution of the longitudinal release wave that is generated by induced tensile fracture as it propagates through solid rectangular polymethylmethacrylate (PMMA) bars of different constant cross-section. High-speed multi-point…
View article: Single-shot wavelength meter on a photonic chip for absolute distance measurement using frequency scanning interferometry
Single-shot wavelength meter on a photonic chip for absolute distance measurement using frequency scanning interferometry Open
A chip-scale solid-state wavelength measuring device based on a silicon photonics platform is presented. It has no moving parts and allows single-shot wavelength measurement with high precision over a nominal bandwidth of 40 nm in the Oban…
View article: High speed fringe projection for dynamic shape measurement using binary phase mask. Part 1: theory and simulation
High speed fringe projection for dynamic shape measurement using binary phase mask. Part 1: theory and simulation Open
Projection rates of up to 30,000 greyscale fringe patterns per second have been achieved recently by defocusing binary fringe patterns from a digital micromirror device (DMD) based projector. Part 1 of this two-part paper describes the des…
View article: High speed fringe projection for dynamic shape measurement using binary phase mask. Part 2: manufacture and test
High speed fringe projection for dynamic shape measurement using binary phase mask. Part 2: manufacture and test Open
Dynamic measurement of object shape is now achievable at projection rates of up to 30,000 binary fringe patterns per second from a digital micromirror device (DMD) based projector. This two-part paper describes the design, manufacture and …
View article: Theoretical estimates of the parameters of longitudinal undular bores in PMMA bars based on their measured initial speeds
Theoretical estimates of the parameters of longitudinal undular bores in PMMA bars based on their measured initial speeds Open
We study the evolution of the longitudinal release wave that is generated by induced tensile fracture as it propagates through solid rectangular Polymethylmethacrylate (PMMA) bars of different constant cross section. High speed multi-point…
View article: Undular bores generated by fracture
Undular bores generated by fracture Open
Undular bores, or dispersive shock waves, are non-stationary waves propagating as oscillatory transitions between two basic states, in which the oscillatory structure gradually expands and grows in amplitude with distance travelled. We dem…
View article: Contributions to Dynamic Behaviour of Materials Professor John Edwin Field, FRS 1936–2020
Contributions to Dynamic Behaviour of Materials Professor John Edwin Field, FRS 1936–2020 Open
View article: Adaptive delay lines for absolute distance measurements in high-speed long-range frequency scanning interferometry
Adaptive delay lines for absolute distance measurements in high-speed long-range frequency scanning interferometry Open
The application of frequency scanning interferometry to long-range (∼10 m) high-speed (upwards of 10 5 coordinates s −1 ) absolute distance measurement is currently impractical at reasonable cost due to the extremely high modulation freque…
View article: High-speed range and velocity measurement using frequency scanning interferometry with adaptive delay lines [Invited]
High-speed range and velocity measurement using frequency scanning interferometry with adaptive delay lines [Invited] Open
Range (i.e., absolute distance), displacement, and velocity of a moving target have been measured with a frequency scanning interferometer that incorporates a vertical-cavity surface-emitting laser with 100 nm tuning range. An adaptive de…
View article: 900-channel single-shot surface roughness measurement using hyperspectral interferometry
900-channel single-shot surface roughness measurement using hyperspectral interferometry Open
A recently developed hyperspectral interferometer has been applied, for the first time, to the single-shot measurement of surface roughness. Traditional optical surface profiling techniques, such as coherence scanning interferometry (CSI) …
View article: Nine-hundred-channel single-shot surface roughness measurement using hyperspectral interferometry
Nine-hundred-channel single-shot surface roughness measurement using hyperspectral interferometry Open
A recently developed hyperspectral interferometer has been applied, for the first time, to the single-shot measurement of surface roughness. Traditional optical surface profiling techniques, such as coherence scanning interferometry (CSI) …
View article: 2500-Channel single-shot areal profilometer using hyperspectral interferometry with a pinhole array
2500-Channel single-shot areal profilometer using hyperspectral interferometry with a pinhole array Open
This is an Open Access article. It is published by Elsevier under the Creative Commons Attribution 4.0 International Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/
View article: An experimental and theoretical study of longitudinal bulk strain waves generated by fracture
An experimental and theoretical study of longitudinal bulk strain waves generated by fracture Open
From a dipole lattice model, we derive a Boussinesq-type equation that governs the propagation\nof a longitudinal strain wave in a uniform pre-strained bar with constant cross section. We then describe an\nexperiment based on high-speed, s…
View article: Double-Shot 3-D Displacement Field Measurement Using Hyperspectral Interferometry
Double-Shot 3-D Displacement Field Measurement Using Hyperspectral Interferometry Open
This paper was presented at the International Conference In Experimental Mechanics, ICEM 2018, Brussels, Belgium, July 1-5th. This is an Open Access Article. It is published by MDPI under the Creative Commons Attribution 4.0 Unported Licen…
View article: Accurate characterisation of hole size and location by projected fringe profilometry
Accurate characterisation of hole size and location by projected fringe profilometry Open
This is an author-created, un-copyedited version of an article published in Measurement Science and Technology. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or
\nany version derived fr…
View article: Object recognition and localization from 3D point clouds by maximum-likelihood estimation
Object recognition and localization from 3D point clouds by maximum-likelihood estimation Open
We present an algorithm based on maximum-likelihood analysis for the automated recognition of objects, and estimation of their pose, from 3D point clouds. Surfaces segmented from depth images are used as the features, unlike ‘interest poin…
View article: Accurate characterisation of hole geometries by fringe projection profilometry
Accurate characterisation of hole geometries by fringe projection profilometry Open
Copyright 2017 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commerc…
View article: High-throughput single-shot hyperspectral interferometer for areal profilometry based on microlens array integral field unit
High-throughput single-shot hyperspectral interferometer for areal profilometry based on microlens array integral field unit Open
Copyright 2017 Society of Photo-
\nOptical Instrumentation Engineers.
\n One print or electronic copy may be made for
\npersonal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or fo…
View article: Improved maximum likelihood estimation of object pose from 3D point clouds using curves as features
Improved maximum likelihood estimation of object pose from 3D point clouds using curves as features Open
Copyright 2017 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commerc…
View article: A Fourier‐series‐based virtual fields method for the identification of three‐dimensional stiffness distributions and its application to incompressible materials
A Fourier‐series‐based virtual fields method for the identification of three‐dimensional stiffness distributions and its application to incompressible materials Open
We present an inverse method to identify the spatially varying stiffness distributions in 3 dimensions. The method is an extension of the classical Virtual Fields Method—a numerical technique that exploits information from full‐field defor…
View article: Single-shot areal profilometry using hyperspectral interferometry with a microlens array
Single-shot areal profilometry using hyperspectral interferometry with a microlens array Open
We describe a single-shot technique to measure areal profiles on optically smooth and stepped surfaces for applications where rapid data acquisition in non-cooperative environments is essential. It is based on hyperspectral interferometry …
View article: Editorial—Photomechanics Special Issue
Editorial—Photomechanics Special Issue Open
This is the peer reviewed version of the following article: HUNTLEY, J., GROVES, R. and BHATTACHARYA, N., 2016. Editorial: photomechanics special issue. Strain, 52 (4), p.263, which has been published in final form at http://dx.doi.org/10.…
View article: IPG volume 28 issue 5 Cover and Back matter
IPG volume 28 issue 5 Cover and Back matter Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: Obtaining the Transfer Function of optical instruments using large calibrated reference objects
Obtaining the Transfer Function of optical instruments using large calibrated reference objects Open
It has been suggested recently that the Transfer Function of instruments such as Coherence Scanning Interferometers could be measured via a single measurement of a large spherical artefact [Appl. Opt.53(8), 1554-1563 (2014)]. In the curren…