Long working distance objective lenses for single atom trapping and imaging

J.D. Pritchard, J.A. Isaacs, M. Saffman

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)
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We present a pair of optimized objective lenses with long working distances of 117 mm and 65 mm respectively that offer diffraction limited performance for both Cs and Rb wavelengths when imaging through standard vacuum windows. The designs utilise standard catalog lens elements to provide a simple and cost-effective solution. Objective 1 provides NA = 0.175 offering 3 μm resolution whilst objective 2 is optimized for high collection efficiency with NA = 0.29 and 1.8 μm resolution. This flexible design can be further extended for use at shorter wavelengths by simply re-optimising the lens separations.
Original languageEnglish
Article number073107
Number of pages4
JournalReview of Scientific Instruments
Issue number7
Publication statusPublished - 26 Jul 2016


  • high resolution imaging
  • lens design
  • atom trapping


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