A versatile and reliably reusable ultrahigh 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 reusable ultrahigh vacuum viewport. Review of Scientific Instruments, 80 (2). 026105. ISSN 0034-6748 (https://doi.org/10.1063/1.3075547)
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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.
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Item type: Article ID code: 26578 Dates: DateEventFebruary 2009PublishedSubjects: Science > Physics Department: Faculty of Science > Physics
University of Strathclyde > University of StrathclydeDepositing user: Users 1261 not found. Date deposited: 04 Aug 2010 10:50 Last modified: 08 Apr 2024 18:22 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/26578