Narrow ion-beam figuring: a figuring tool that enables new optical systems solutions

Ulrich Mueller; Jeff Stone; Bridget G. Peters; Titus Devine; Thomas P. Greene

doi:10.1117/12.884470

23 May 2011 Narrow ion-beam figuring: a figuring tool that enables new optical systems solutions

Ulrich Mueller, Jeff Stone, Bridget G. Peters, Titus Devine, Thomas P. Greene

Proceedings Volume 8044, Sensors and Systems for Space Applications IV; 80440L (2011) https://doi.org/10.1117/12.884470
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

Previously difficult or impossible shapes can now be placed on visible imaging optical surfaces using Narrow Ion Beam Figuring (NIBF). This technique, unlike classical Ion Beam Figuring (IBF), does not substantially roughen the surface. Furthermore, the method can be used to take optical surfaces to sub-nanometer surface errors and to sub-micron radian slope errors. A specific set of applications uses NIBF surfaces at a reimaged pupil plane to impart special characteristics on image creation. Such optics has steep local slope changes over only 1mm scale.

Citation Download Citation

Ulrich Mueller, Jeff Stone, Bridget G. Peters, Titus Devine, and Thomas P. Greene "Narrow ion-beam figuring: a figuring tool that enables new optical systems solutions", Proc. SPIE 8044, Sensors and Systems for Space Applications IV, 80440L (23 May 2011); https://doi.org/10.1117/12.884470

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KEYWORDS

Ion beams

Ions

Neodymium

Coronagraphy

Photovoltaics

Calibration

Ion beam finishing

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