Dr. Robert M. Snell Profile

Dr. Robert M. Snell

at Univ of Sheffield

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 26 August 2024 Poster + Paper

Poster + Paper

Targeting low micro-roughness for 3D printed aluminium mirrors using a hot isostatic press

Carolyn Atkins, Younes Chahid, Gregory Lister, Rhys Tuck, Richard Kotlewski, Robert Snell, Elaine Livera, Mariam Faour, Iain Todd, Robert Deffley, James Shipley, Tom Walsh, Johannes Gårdstam, Cyril Bourgenot, Paul White, Spencer Davies, Samuel Tammas-Williams

Proceedings Volume 13100, 131003V (2024) https://doi.org/10.1117/12.3020239

KEYWORDS: Printing, Aluminum, Porosity, Mirrors, Single point diamond turning, Optical surfaces, Aluminum mirrors, Reflection, Mirror surfaces, Design, Additive manufacturing, 3D printing, Surface roughness

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Proceedings Article | 26 August 2024 Poster + Paper

Poster + Paper

Optimization of flexible opto-mechanical mounts design in metallic mirror for space-based telescope using finite element analysis

Natnicha Mahawan, Pantakant Panpang, Naphat Muangnin, Cyril Bourgenot, Carolyn Atkins, Robert Snell, Maroay Phlernjai, Weerapot Wanajaroen, Patcharadanai Sombatsatien, Pearachad Chartsiriwattana

Proceedings Volume 13100, 131003Z (2024) https://doi.org/10.1117/12.3018676

KEYWORDS: Design, Deformation, Optical surfaces, Mirrors, Finite element methods, Manufacturing, Space mirrors, Polishing, Mirror surfaces, Thermal deformation

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Proceedings Article | 4 October 2023 Presentation + Paper

Presentation + Paper

Understanding the role of additive manufacturing in the development of astronomical hardware

Carolyn Atkins, Younes Chahid, James Wells, Marcell Westsik, Katherine Morris, Ciarán Breen, Alastair Macleod, Lawrence Bissell, William Cochrane, Richard Kotlewski, Scott McPhee, Robert Snell, Iain Todd, Mat Beardsley, Michael Harris, Misael Pimentel, Scott McKegney, Jonathan Orr, Simon Alcock, Ioana Theodora Nistea, Simone Cottarelli, Samuel Tammas-Williams

Proceedings Volume 12677, 126770L (2023) https://doi.org/10.1117/12.2677452

KEYWORDS: Design and modelling, Lightweight mirrors, Porosity, Astronomy, Aluminum, Single point diamond turning, Prototyping, Optics manufacturing, Additive manufacturing, 3D printing, Optomechanical components, Astronomical instrumentation engineering, Aluminum mirrors

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Proceedings Article | 29 August 2022 Poster + Paper

Poster + Paper

Outgassing properties of additively manufactured aluminium

Ciarán Breen, James Walpole, Carolyn Atkins, Scott McPhee, Mark Cliffe, Jamie Moffat, Maisie Edwards-Mowforth, Isla Lister, Lucy Reynolds, Andrew Conley, Sam Allum, Robert M. Snell, Sam Tammas-Williams, Steve Watson

Proceedings Volume 12188, 121882I (2022) https://doi.org/10.1117/12.2627331

KEYWORDS: Aluminum, Statistical analysis, Additive manufacturing, Surface roughness, Astronomy, Molecules, Surface finishing, Metrology, Metals, Titanium

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Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

Additively manufactured flexure for astronomy instrumentation

Katherine Morris, Carolyn Atkins, Lucy Reynolds, James Walpole, Bart van de Vorst, Robert M. Snell, Chris Miller, Szigfrid Farkas, György Mező, Mélanie Roulet, Afrodisio Vega Moreno, Fabio Tenegi, Andrew Conley, Hermine Schnetler

Proceedings Volume 12188, 121880Z (2022) https://doi.org/10.1117/12.2630180

KEYWORDS: Manufacturing, Additive manufacturing, Actuators, Astronomy, Titanium, Aluminum, Metals, MATLAB, Scanning electron microscopy, Optics manufacturing

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Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

Towards understanding and eliminating defects in additively manufactured CubeSat mirrors

Robert Snell, Carolyn Atkins, Hermine Schnetler, Younes Chahid, Mat Beardsley, Michael Harris, Chenxi Zhang, Richard Pears, Ben Thomas, Henry Saunders, Alexander Sloane, George Maddison, Iain Todd

Proceedings Volume 12188, 121880V (2022) https://doi.org/10.1117/12.2629935

KEYWORDS: Mirrors, Additive manufacturing, Surface finishing, Aluminum, Polishing, Optics manufacturing, Manufacturing, Solids, Laser energy

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Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

The OPTICON A2IM Cookbook: an introduction to additive manufacture for astronomy

Carolyn Atkins, L. G. T. (Bart) van de Vorst, Andrew Conley, Szigfrid Farkas, Emmanuel Hugot, György Mező, Katherine Morris, Mélanie Roulet, Robert M. Snell, Fabio Tenegi-Sanginés, Iain Todd, Afrodisio Vega-Moreno, Hermine Schnetler

Proceedings Volume 12188, 121880W (2022) https://doi.org/10.1117/12.2627244

KEYWORDS: Computer aided design, Metals, Additive manufacturing, Optics manufacturing, Astronomy, Astronomical instrumentation, Mirrors, Lightweight mirrors, Printing, 3D printing

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Proceedings Article | 29 August 2022 Presentation + Paper

Presentation + Paper

Lightweight, aluminum, mirror design optimization for conventional and additive manufacturing processes

Jitsupa Paenoi, Cyril Bourgenot, Carolyn Atkins, Robert Snell, Iain Todd, Paul White, Kenneth Parkin, David Ryder, Richard Kotlewski, Scott McPhee, Krittapas Chanchaiworawit, Pearachad Chartsiriwattana, Auychai Laoyang, Teerawat Kuha, Apichat Leckngam, Christophe Buisset, Wiphu Rujopakarn, Saran Poshyachinda

Proceedings Volume 12188, 121880U (2022) https://doi.org/10.1117/12.2627757

KEYWORDS: Mirrors, Computer aided design, Finite element methods, Optics manufacturing, Additive manufacturing, Prototyping, Polishing, Single point diamond turning, Manufacturing, Surface finishing

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

H2020 opticon WP5 overview: investigating the use of additive manufacturing AM) for the design and build of multifunctional integrated astronomical components

Hermine Schnetler, Bart van de Vorst, Robert Snell, Carolyn Atkins, Chris Miller, Katherine Morris, Szigfrid Farkas, György Mező, Mélanie Roulet, Emmanuel Hugot, Afrodisio Vega Moreno, Fabio Tenegi, Joris Dufils

Proceedings Volume 11451, 114511P (2020) https://doi.org/10.1117/12.2560828

KEYWORDS: Additive manufacturing, Astronomy, Mirrors, Optics manufacturing, Astronomical imaging, Integrated optics, Cryogenics, Printing, Materials processing, Optical components

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Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

Design for additive manufacture (DfAM): the “equivalent continuum material” for cellular structures analysis

Afrodisio Vega, Fabio Tenegi, Juan Francisco Márquez, Juan Calvo, Hermine Schnetler, Carolyn Atkins, Chris Miller, Katherine Morris, Robert Snell, Bart van de Vorst, Joris Dufils, Leon Brouwers, Mélanie Roulet, Emmanuel Hugot, Szigfrid Farkas, Gyorgy Mezo

Proceedings Volume 11450, 1145028 (2020) https://doi.org/10.1117/12.2560999

KEYWORDS: Additive manufacturing, Design for manufacturability, Modeling, Prototyping, Structural design

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Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

Freeform active mirror designed for additive manufacturing

Szigfrid Farkas, Tibor Agócs, Carolyn Atkins, Leon Brouwers, Joris Dufils, András Joó, György Mező, Katherine Morris, Michiel Rodenhuis, Mélanie Roulet, Hermine Schnetler, Robert Snell, Fabio Tenegi-Sanginés, Afrodisio Vega-Moreno, Bart van de Vorst

Proceedings Volume 11451, 114512M (2020) https://doi.org/10.1117/12.2561327

KEYWORDS: Additive manufacturing, Disk lasers, Actuators, Optics manufacturing, Telescopes, Mirrors, Prototyping, Optical fabrication, Assembly tolerances, Interfaces

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Proceedings Article | 13 December 2020 Presentation + Paper

Presentation + Paper

An additive manufactured CubeSat mirror incorporating a novel circular lattice

Robert Snell, Carolyn Atkins, Hermine Schnetler, Iain Todd, Everth Hernández-Nava, Alistair Lyle, George Maddison, Katherine Morris, Christopher Miller, Mélanie Roulet, Emmanuel Hugot, Fabio Tenegi Sanginés, Afrodisio Vega-Moreno, L. T. G. (Bart) van de Vorst, Joris Dufils, Leon Brouwers, Szigfrid Farkas, György Mező, Mat Beardsley, Michael Harris

Proceedings Volume 11451, 114510C (2020) https://doi.org/10.1117/12.2562738

KEYWORDS: Mirrors, Additive manufacturing, Prototyping, Interferometry, 3D printing, Telescopes, Interfaces, Silicon, Aluminum, Single point diamond turning

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Proceedings Article | 20 April 2020 Presentation + Paper

Presentation + Paper

Use of 3D printing in astronomical mirror fabrication

Mélanie Roulet, Carolyn Atkins, Emmanuel Hugot, Robert Snell, Bart van de Vorst, Katherine Morris, Michel Marcos, Iain Todd, Christopher Miller, Joris Dufils, Szigfrid Farkas, Gyorgy Mezo, Fabio Tenegi, Afrodisio Vega-Moreno, Hermine Schnelter

Proceedings Volume 11349, 113490D (2020) https://doi.org/10.1117/12.2556921

KEYWORDS: Mirrors, Surface finishing, Computer aided design, Polishing, Printing, 3D printing, Prototyping, Monochromatic aberrations, Manufacturing, Finite element methods

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Proceedings Article | 16 September 2019 Presentation + Paper

Presentation + Paper

Additively manufactured mirrors for CubeSats

Carolyn Atkins, William Brzozowski, Naomi Dobson, Maria Milanova, Stephen Todd, David Pearson, Cyril Bourgenot, David Brooks, Robert Snell, Wenjuan Sun, Peter Cooper, Simon Alcock, Ioana-Theodora Nistea

Proceedings Volume 11116, 1111616 (2019) https://doi.org/10.1117/12.2528119

KEYWORDS: Mirrors, Additive manufacturing, 3D printing, Prototyping, Metals, Space mirrors, Design for manufacturability, Manufacturing, Aluminum, Nickel

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Proceedings Article | 9 September 2019 Presentation + Paper

Presentation + Paper

Lightweighting design optimisation for additively manufactured mirrors

Carolyn Atkins, William Brzozowski, Naomi Dobson, Maria Milanova, Stephen Todd, David Pearson, Cyril Bourgenot, David Brooks, Robert Snell, Wenjuan Sun, Peter Cooper, Simon Alcock, Ioana-Theodora Nistea

Proceedings Volume 11116, 1111617 (2019) https://doi.org/10.1117/12.2528105

KEYWORDS: Mirrors, Additive manufacturing, Design for manufacturability, 3D printing, Lightweight mirrors, Printing, Polishing, Finite element methods, Surface finishing

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Showing 5 of 15 publications

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