Design and fabrication of diffractive atom chips for laser cooling and trapping

J. P. Cotter, J. P. McGilligan, P. F. Griffin, I. M. Rabey, K. Docherty, E. Riis, A. S. Arnold, E. A. Hinds

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Abstract

It has recently been shown that optical reflection gratings fabricated directly into an atom chip provide a simple and effective way to trap and cool substantial clouds of atoms [1,2]. In this article we describe how the gratings are designed and micro-fabricated and we characterise their optical properties, which determine their effectiveness as a cold atom source. We use simple scalar diffraction theory to understand how the morphology of the gratings determines the power in the diffracted beams.
Original languageEnglish
Number of pages6
JournalApplied Physics B: Lasers and Optics
Volume122
DOIs
Publication statusPublished - 1 Jun 2016

Keywords

  • optics
  • laser cooling
  • laser trapping

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