Focus and depth of field tunable detection system for compact quantum sensors

Verfasst von

Kai Frye-Arndt, Arne Wacker, Patrick Brunssen, Til Dralle, Holger Ahlers, Waldemar Herr, Ernst Rasel, Christian Schubert

Abstract

Absorption imaging is a well-established method for determining both the atom number and spatial distribution of atomic ensembles, traditionally limited to a single focal plane and a fixed depth of field. However, as atom optics experiments grow more complex, atomic clouds can exceed the depth of field or leave the focal plane, as seen in large atomic arrays or bubble Bose-Einstein condensates (BECs). Here, we present an absorption imaging system that allows for tuning the object distance of 88.9 mm by ±5 mm and the depth of field from 26 µm to 203 µm. We determine performance metrics relevant for atomic experiments, such as the resolution and the optical distortion.

Details

Organisationseinheit(en)
Quantum Sensing
QuantumFrontiers
Institut für Quantenoptik
Externe Organisation(en)
DLR-Institut für Satellitengeodäsie und Inertialsensorik
Typ
Artikel
Journal
Optics express
Band
34
Seiten
3691-3701
Anzahl der Seiten
11
ISSN
1094-4087
Publikationsdatum
26.01.2026
Publikationsstatus
Veröffentlicht
Peer-reviewed
Ja
ASJC Scopus Sachgebiete
Atom- und Molekularphysik sowie Optik
Elektronische Version(en)
https://doi.org/10.1364/oe.582238 (Zugang: Offen )

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