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A versatile and reliably re-usable ultra-high vacuum viewport.

Weatherill, K.J. and Pritchard, J.D. and Griffin, P.F. and Dammalapati, U. and Adams, C.S. and Riis, E. (2009) 'A versatile and reliably re-usable ultra-high vacuum viewport.', Review of scientific instruments., 80 (2). 026105.

Abstract

We present a viewport for use in ultrahigh vacuum (UHV) based upon the preflattened solder seal design presented in earlier work [ Cox et al., Rev. Sci. Instrum. 74, 3185 (2003) ]. The design features significant modifications to improve long term performance. The windows have been leak tested to less than 10−10 atm cm3/s. From atom number measurements in an optical dipole trap loaded from a vapor cell magneto-optical trap inside a vacuum chamber accommodating these viewports, we measure a trap lifetime of 9.5 s suggesting a pressure of around 10−10 Torr limited by background rubidium vapor pressure. We also present a simplified design where the UHV seal is made directly to a vacuum pipe.

Item Type:Article
Full text:PDF - Submitted Version (176Kb)
Status:Not peer-reviewed
Publisher Web site:http://dx.doi.org/10.1063/1.3075547
Publisher statement:Copyright (2009) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Weatherill, K.J. and Pritchard, J.D. and Griffin, P.F. and Dammalapati, U. and Adams, C.S. and Riis, E. (2009) 'A versatile and reliably re-usable ultra-high vacuum viewport.', Review of scientific instruments., 80 (2). 026105 and may be found at http://dx.doi.org/10.1063/1.3075547
Record Created:01 Oct 2010 14:50
Last Modified:05 Aug 2014 11:19

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