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Proceedings Paper

Achromatic catadioptric microscope objective in deep ultraviolet with long working distance
Author(s): Pei Huang; Dietrich Leibfried
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Paper Abstract

We present a microscope imaging optics system that is suitable for simultaneously detecting two species of electrically trapped atomic ions for quantum information processing. The proposed 10x objective features all-spherical surfaces in a catadioptric modification of the Schwarzschild two-mirror configuration and is achromatic at 313 and 280 nm, the two wavelengths of the laser-induced fluorescence from 9Be+ and 24Mg+. To correct for aberrations from the fused-silica vacuum window, we use a zero-power doublet made of a positive calcium fluoride and a negative fused-silica meniscus to form an air-gapped Steinheil doublet facing the object. As a result, diffraction limited images are obtained for both wavelengths at a numerical aperture (NA) of 0.5 and a field of view (FOV) of 0.1 mm in diameter. The long working distance (> focal length) of this objective allows imaging of the ions through the vacuum window.

Paper Details

Date Published: 22 October 2004
PDF: 9 pages
Proc. SPIE 5524, Novel Optical Systems Design and Optimization VII, (22 October 2004); doi: 10.1117/12.559790
Show Author Affiliations
Pei Huang, Ball Aerospace & Technologies Corp. (United States)
Dietrich Leibfried, National Institute of Standards and Technology (United States)

Published in SPIE Proceedings Vol. 5524:
Novel Optical Systems Design and Optimization VII
Jose M. Sasian; R. John Koshel; Paul K. Manhart; Richard C. Juergens, Editor(s)

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