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Next generation of a linear chirped slope profile fabricated by plasma jet machining
Author(s): Heike Müller; Georg Böhm; Thomas Arnold
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Paper Abstract

Plasma Jet Machining is an established process in ultra-precision surface manufacturing. Removal of several nanometers up to millimeters can be achieved using the atmospheric pressure reactive plasma jet as a non-mechanical tool. Surface form measuring techniques have to be improved equally, to further enhance the deterministic machining. Exact knowledge of the instrument transfer function is necessary to distinguish measurement artefacts and reliable measurement results. Precise sinusoidal surface structures prepared by plasma jet etching can be used as calibration elements to determine the instrument transfer function, e.g. slope-measuring devices like Nanometer Optical component measuring Machine (NOM). The steps for manufacturing such calibration elements including theoretical considerations, adjustment of the plasma jet parameters and implementations on different substrates are presented. Finally, a chirped sinusoidal structure on a singlecrystalline silicon slab is fabricated.

Paper Details

Date Published: 28 June 2019
PDF: 6 pages
Proc. SPIE 11171, Sixth European Seminar on Precision Optics Manufacturing, 111710A (28 June 2019); doi: 10.1117/12.2526746
Show Author Affiliations
Heike Müller, Leibniz Institute of Surface Engineering (IOM) (Germany)
Georg Böhm, Leibniz Institute of Surface Engineering (IOM) (Germany)
Thomas Arnold, Leibniz Institute of Surface Engineering (IOM) (Germany)
Technische Univ. Dresden (Germany)


Published in SPIE Proceedings Vol. 11171:
Sixth European Seminar on Precision Optics Manufacturing
Rolf Rascher; Christian Schopf, Editor(s)

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