Dust Removal From Mirrors: Experiments And Analysis Of Adhesion Forces

J. R. Feicht; J. R. Blanco; R. J. Champetier

doi:10.1117/12.948086

5 April 1989 Dust Removal From Mirrors: Experiments And Analysis Of Adhesion Forces

J. R. Feicht, J. R. Blanco, R. J. Champetier

Proceedings Volume 0967, Stray Light and Contamination in Optical Systems; (1989) https://doi.org/10.1117/12.948086
Event: 32nd Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1988, San Diego, CA, United States

Abstract

The adhesion force holding particles to a representative engineering optical surface has been investigated. This study addresses the measurement of the removal force from technologically clean surfaces (as opposed to atomically clean). The determination of the adhesion force was by a centrifuge technique, spanning several thousand g's. Particle removal diagnostics were performed optically by measuring residual populations at various g levels. Particles between 10 and 1000 micrometers and various compositions were tested. The results of the experiment have shown that the adhesion forces on similar particles vary immensely. This may help to explain some unexpected transfer phenomena in relatively low-g environments.

Citation Download Citation

J. R. Feicht, J. R. Blanco, and R. J. Champetier "Dust Removal From Mirrors: Experiments And Analysis Of Adhesion Forces", Proc. SPIE 0967, Stray Light and Contamination in Optical Systems, (5 April 1989); https://doi.org/10.1117/12.948086

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