Browsing by Author "Shore, Paul"

Browsing by Author "Shore, Paul"

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  • Comley, Paul; Morantz, Paul; Shore, Paul; Tonnellier, Xavier (Technische Rundschau, Hallwag Publishers; 1999, 2011-04-21)
    The next generation of ground based telescopes require many hundreds of metre scale off-axis mirrors. In this paper the grinding of a 1.45m scale Zerodur® mirror segment for the European Extremely Large Telescope (E-ELT) ...
  • Parkins, Jonathon (Cranfield University, 2012-08)
    Laser assisted plasma processing (LAPP) is a novel extension to already established Reactive Atom Plasma (RAP) processing for atmospheric pressure dry chemical etching of silicon based materials; this is mainly applied for ...
  • Sansom, Christopher L.; Shore, Paul (Common Ground Publishing, 2012-02-21)
    We discuss the creation of an Integrated Knowledge Centre, a unique collaboration between academia and industry, which is delivering to UK industry 'disruptive' technologies based on ultra precision engineering. The ...
  • Yu, Nan; Jourdain, Renaud; Gourma, Mustapha; Shore, Paul (Trans Tech Publications, 2015-08-20)
    To satisfy the worldwide demand for large ultra-precision optical surfaces, a fast process chain - grinding, polishing and plasma figuring- has been established by the Precision Engineering Institute at Cranfield University. ...
  • Shore, Paul (Cranfield University, 1995-03)
    Investigations of machining optical surfaces into brittle materials using an ultra precision machine tool are presented. The newly developed ultra precision NION machine is evaluated to gain a good appreciation of its ...
  • Knuefermann, Markus M. W. (Cranfield UniversitySchool of Industrial and Manufacturing Science, 2003-11)
    The main aim of this work was the machining by hard turning of surfaces with optical surface quality. A numerical target had been set as a surface roughness Ra = 10nm. It has been shown that achieving roughness of that ...
  • Bennett, Adam; Jourdain, Renaud; Kirby, Paul; MacKay, P.; Shore, Paul; Nicholls, John; Morantz, Paul (European Society for Precision Engineering and Nanotechnology, 2016-06-30)
    Activated plasma figuring using microwaves aims at providing highly efficient activated energy beams for rapid fabrication of optics. The chemical nature of this type of energy beam leads to targeting silicon-based ...
  • Sanz, Claude; Cherif, Ahmed; Mainaud-Durand, Hélène; Schneider, Jurgen; Steffens, Norbert; Morantz, Paul; Shore, Paul (Euspen, 2015-06-01)
    The following study is realised within the frame of the PACMAN project: a study on Particle Accelerator Components Metrology and Alignment to the Nanometre scale, which is a Marie Curie program supported by the European ...
  • Fanara, C.; Shore, Paul; Nicholls, J. R.; Lyford, N.; Kelley, J.; Carr, J.; Sommer, P. (John Wiley & Sons, Ltd, 2006-01-01)
    Results on reactive atom plasma etching performed on ULE® (Corning Ultra Low Expansion) glass samples at atmospheric pressure are presented for the first time. A reactive atomic plasma technology (RAPT®), has been developed ...
  • Abir, Jonathan; Morantz, Paul; Longo, Stefano; Shore, Paul (Elsevier, 2016-11-10)
    Small size ultra-precision Computer Numerical Control (CNC) machines require high dynamic performance. Flexible frame phenomena can limit the machine dynamic performance, particularly in small size machines. A novel ...
  • Abir, Jonathan; Longo, Stefano; Morantz, Paul; Shore, Paul (Elsevier, 2016-07-30)
    This paper presents a method for optimizing the performance of a real-time, long term, and accurate accelerometer based displacement measurement technique, with no physical reference point. The technique was applied in a ...
  • Tonnellier, Xavier; Shore, Paul (2011-03-14)
    The fields of astronomy science have presented significant precision engineering challenges. Numerous solutions for these fields of science have achieved unprecedented levels of accuracy, sensitivity and sheer scale. ...
  • Tonnellier, Xavier; Morantz, Paul; Shore, Paul; Comley, Paul (International Society for Optical Engineering; 1999, 2012-07-11)
    An ultra precision large optics grinding machine, BoX®, was developed and produced at Cranfield University. BoX® offers a rapid and economic solution for grinding large off-axis aspherical and free-form optical components. ...
  • Tonnellier, Xavier (Cranfield University, 2009-05)
    Large scale nuclear fusion and astronomy scientific programmes have increased the demand for large freeform mirrors and lenses. Thousands of one metre class, high quality aspherical optical components are required within ...
  • Jourdain, Renaud; Castelli, Marco; Shore, Paul (2010-06-01)
    Recently established the Helios 1200 (RaptTM ) is a unique facility designed for the figuring of large optical surfaces [1]. It combines a CNC machine tool with a reactive atom plasma (RAP) process. This provides a unique ...
  • Jourdain, Renaud; Castelli, Marco; Shore, Paul; Sommer, P.; Proscia, David (Springer, 2013-04-11)
    A new surface figuring machine called Helios 1200 is presented in this paper. It is designed for the figuring of meter sized optical surfaces with form accuracy correction capability better than 20 nm rms within a reduced ...
  • Tonnellier, Xavier; Shore, Paul; Morantz, Paul; Baldwin, A.; Walker, D.; Yu, G.; Evans, R. (2008-07-14)
    A new ultra precision large optics grinding machine, BoX®has been developed at Cranfield University. BoX®islocated at the UK's Ultra Precision Surfaces laboratory at the OpTIC Technium. This machine offers a rapidand ...
  • Tonnellier, Xavier; Morantz, Paul; Shore, Paul; Baldwin, A.; Evans, R.; Walker, D. D. (Optical Society of America (OSA), 2007-09-17)
    The total process cycle time for large ULE®and Zerodur®optics can be improved using a precise and rapid grinding process, with low levels of surface waviness and subsurface damage. In this paper, the amounts of defects ...
  • Tonnellier, Xavier; Shore, Paul; Morantz, Paul; Orton, D. (2012-07-11)
    A new ultra precision large optics grinding machine, BoX(R), has been developed at Cranfield University. This machine is located at the UK's Ultra Precision Surfaces laboratory at the OpTIC Technium, North Wales. This ...
  • Yu, Nan (Cranfield University, 2016-10)
    In 2012, plasma figuring was proven to be an alternative solution for the fabrication of large scale ultra-precise optical surfaces. Indeed, plasma figuring was successfully demonstrated on a metre class glass surface. The ...