Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session N65: Bose-Einstein Condensates I: Interferometry, and Nonlinear Waves
11:30 AM–2:30 PM,
Wednesday, March 8, 2023
Room: Room 414
Sponsoring
Unit:
DAMOP
Chair: Yiqi Wang, Yale University
Abstract: N65.00010 : Laser Wavefront Metrology with Point-source Atom Interferometry
1:18 PM–1:30 PM
Presenter:
Yiping Wang
(Northwestern University)
Author:
Yiping Wang
(Northwestern University)
The transverse laser wavefront profile due to aberration can be sampled by an atomic cloud that expands from a point source (point source atom interferometry). Point source atom interferometry establishes a position-velocity correlation, and velocity-dependent phase shifts which encode information about the wavefront are therefore mapped onto a spatial interference pattern. Wavefront aberrations can be characterized by measuring this spatial interference, utilizing imaging techniques including phase-shear read out and leveraging analytical and numerical phase shift calculations we have developed that include higher order phase shift corrections from wavefront aberrations. We will introduce our latest progress in building the initial point-source interferometer apparatus and the implementation of the wavefront metrology protocol.
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