Journal
PHYSICAL REVIEW A
Volume 91, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.91.063414
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Funding
- MEXT
- Cabinet Office, government of Japan, through its Funding Program for Next Generation World-Leading Researchers
- Matsuo Foundation
- Murata Science Foundation
- Research Foundation for Opto-Science and Technology
- Japan Society for the Promotion of Science
- Grants-in-Aid for Scientific Research [26103509, 26800212, 13J03745] Funding Source: KAKEN
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We report a high-resolution microscope system for imaging ultracold ytterbium atoms trapped in a two-dimensional optical lattice. By using the ultraviolet strong transition combined with a solid immersion lens and high-resolution optics, our system resolved individual sites in an optical lattice with a 544-nm spacing. Without any cooling mechanism during the imaging process, the deep potential required to contain the atoms was realized using a combination of a shallow ground-state and a deep excited-state potentials. The lifetime and limitations of this setup were studied in detail.
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