Presentation
7 November 2016 Surface particulate contamination removal using noncontact acoustic traps (Conference Presentation)
Sam S. Wanis, Mei Z. Zhan, Hagop Barsamian
Author Affiliations +
Abstract
We demonstrate that acoustic field-induced forces (FIF) can detach, trap, and translate particles with no physical contact. This technology thereby shows potential for cleaning optical surfaces without introducing damage to the surface as well as allowing for scale-up to cover large areas where an atmosphere exists such as prior to launch. Experiments relying on acoustic fields created a force field landscape in the region between a transducer and the contaminated glass surface. That force field was then responsible for removing dust particles, trapping them, and translating them to a repository site. We have established proof-of-principle through experiments that removed both well-controlled particles with a narrow diameter distribution, as well as Arizona road dust, with a wide diameter distribution from a glass surface.
Conference Presentation
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sam S. Wanis, Mei Z. Zhan, and Hagop Barsamian "Surface particulate contamination removal using noncontact acoustic traps (Conference Presentation)", Proc. SPIE 9952, Systems Contamination: Prediction, Control, and Performance 2016, 99520G (7 November 2016); https://doi.org/10.1117/12.2239331
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KEYWORDS
Acoustics

Atmospheric particles

Contamination

Atmospheric optics

Glasses

Atmospheric physics

Control systems

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