Bulletin of the American Physical Society
52nd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 66, Number 6
Monday–Friday, May 31–June 4 2021; Virtual; Time Zone: Central Daylight Time, USA
Session M05: Search for Beyond Standard Model Interactions II
2:00 PM–4:00 PM,
Wednesday, June 2, 2021
Co-Sponsoring
Unit:
GPMFC
Chair: Andrew Geraci, Northwestern University
Abstract: M05.00005 : Progress toward development of a Strontium atom interferometer for performing short-distance tests of gravity
2:48 PM–3:00 PM
Live
Presenter:
Tejas Deshpande
(Northwestern University)
Authors:
Tejas Deshpande
(Northwestern University)
Yiping Wang
(Northwestern University)
Natasha Sachdeva
(Northwestern University)
Garrett Louie
(Northwestern University)
Jayampathi Kangara
(Northwestern University)
Jonah Glick
(Northwestern University)
Kunchaka Fonseka
(Northwestern University)
Kenneth DeRose
(Northwestern University)
Tim Kovachy
(Northwestern University)
In this talk, I will provide recent technical updates on the construction of a 2 meter baseline AF using ultracold Strontium (Sr). First, I will review the architecture of the laser system required to generate a magneto-optical trap and perform light-pulse AI using the Bragg transition near the 461 nm transition in Sr. Second, I will review the ultrahigh vacuum system of the AF and its integration with various custom magnets. Finally, I will conclude by discussing ongoing work on the design of a high-resolution imaging system which performs measurements of gravitational phase shifts resulting from AI.
[1] Kovachy et al. Nature 528, 530 (2015)
[2] Asenbaum et al. Phys. Rev. Lett. 118, 183602 (2017)
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