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  Focusing characteristics of a 4 pi parabolic mirror light-matter interface

Alber, L., Fischer, M., Bader, M., Mantel, K., Sondermann, M., & Leuchs, G. (2017). Focusing characteristics of a 4 pi parabolic mirror light-matter interface. JOURNAL OF THE EUROPEAN OPTICAL SOCIETY-RAPID PUBLICATIONS, 13: 14. doi:10.1186/s41476-017-0043-y.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0000-8E47-1 Version Permalink: https://hdl.handle.net/21.11116/0000-0001-5CAF-4
Genre: Journal Article

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Alber_FocusingCharacteristics.pdf (Publisher version), 2MB
 
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This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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 Creators:
Alber, Lucas1, 2, Author           
Fischer, Martin1, 2, Author           
Bader, Marianne1, 2, Author           
Mantel, Klaus3, Author           
Sondermann, Markus1, 2, Author           
Leuchs, Gerd2, 4, 5, Author           
Affiliations:
14pi Photon Atom Coupling, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364699              
2University of Erlangen Nuremberg, Dept Phys, Staudtstr 7-B2, D-91058 Erlangen, Germany, ou_persistent22              
3Optical Technologies, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364726              
4Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364698              
5University of Ottawa, Dept Phys, 75 Laurier Ave East, Ottawa, ON K1N 6N5, Canada, ou_persistent22              

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Free keywords: Atom-photon coupling; Free space; Quantum optics; Ion trapping; 4Pi parabolic mirror; 4Pi microscopy; Confocal microscopy
 Abstract: Background: Focusing with a 4 pi parabolic mirror allows for concentrating light from nearly the complete solid angle, whereas focusing with a single microscope objective limits the angle cone used for focusing to half solid angle at maximum. Increasing the solid angle by using deep parabolic mirrors comes at the cost of adding more complexity to the mirror's fabrication process and might introduce errors that reduce the focusing quality. Methods: To determine these errors, we experimentally examine the focusing properties of a 4p parabolic mirror that was produced by single-point diamond turning. The properties are characterized with a single Yb-174(+) ion as a mobile point scatterer. The ion is trapped in a vacuum environment with a movable high optical access Paul trap. Results: We demonstrate an effective focal spot size of 209 nm in lateral and 551 nm in axial direction. Such tight focusing allows us to build an efficient light-matter interface. Conclusion: Our findings agree with numerical simulations incorporating a finite ion temperature and interferometrically measured wavefront aberrations induced by the parabolic mirror. We point at further technological improvements and discuss the general scope of applications of a 4p parabolic mirror.

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Language(s): eng - English
 Dates: 2017-04-202017-05-01
 Publication Status: Issued
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1186/s41476-017-0043-y
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Title: JOURNAL OF THE EUROPEAN OPTICAL SOCIETY-RAPID PUBLICATIONS
Source Genre: Journal
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Publ. Info: LAENSIKATU 15, JOENSUU, 80110, FINLAND : EUROPEAN OPTICAL SOC
Pages: - Volume / Issue: 13 Sequence Number: 14 Start / End Page: - Identifier: ISSN: 1990-2573