Beam Profiling with Noise Reduction from Computer Vision and Principal Component Analysis for the MAGIS-100 Experiment

Joseph Jachinowski, Natasha Sachdeva, Tim Kovachy

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

MAGIS-100 is a long-baseline atom interferometer that operates as a quantum sensor. It will search for dark matter, probe fundamental quantum science, and serve as a prototype gravitational wave detector in the 0.3 to 3 Hz frequency range. The experiment uses light-pulse atom interferometry where pulses of light create the atom optics equivalents of beamsplitters and mirrors. Laser beam aberrations are a key source of systematic error for MAGIS-100, and accurately characterizing the laser beam spatial profile is therefore essential. In this paper, we describe a new and efficient beam profiling technique. We use a low-cost CMOS camera affixed to a translating and rotating optomechanical mount to image the beam, then employ computer vision and principal component analysis to minimize background noise and produce accurate beam profiles for a laser incident on a variety of aberration-inducing optical elements.

Original languageEnglish (US)
Title of host publication2021 IEEE Conference on Antenna Measurements and Applications, CAMA 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages423-428
Number of pages6
ISBN (Electronic)9781728196978
DOIs
StatePublished - 2021
Event2021 IEEE Conference on Antenna Measurements and Applications, CAMA 2021 - Antibes Juan-les-Pins, France
Duration: Nov 15 2021Nov 17 2021

Publication series

Name2021 IEEE Conference on Antenna Measurements and Applications, CAMA 2021

Conference

Conference2021 IEEE Conference on Antenna Measurements and Applications, CAMA 2021
Country/TerritoryFrance
CityAntibes Juan-les-Pins
Period11/15/2111/17/21

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Instrumentation
  • Radiation

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