Buchman, S., Byer, R.L., Gill, D., Robertson, N. and Sun, K.-X. (2008) Charge neutralization in vacuum for non-conducting and isolated objects using directed low-energy electron and ion beams. Classical and Quantum Gravity, 25(3), 035004. (doi: 10.1088/0264-9381/25/3/035004)
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Publisher's URL: http://dx.doi.org/10.1088/0264-9381/25/3/035004
Abstract
We propose using ions and electrons of energy 1 eV–10 eV for neutralizing the charges on the non-conducting or isolated surfaces of high-sensitivity experiments. The mirror surfaces of the test masses of the laser interferometer gravitational observatory are used as an example of the implementation of this method. By alternatively directing beams of positive and negative charges towards the mirror surfaces, we ensure the neutralization of the total charge as well as the equalization of the surface charge distribution to within a few eV of the potential of the ground reference of the vacuum system. This method is compatible with operation in high vacuum, does not require measuring the potential of the mirrors and is expected not to damage sensitive optical surfaces.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | UNSPECIFIED |
| Authors: | Buchman, S., Byer, R.L., Gill, D., Robertson, N., and Sun, K.-X. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Classical and Quantum Gravity |
| ISSN: | 0264-9381 |
| ISSN (Online): | 1361-6382 |
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