Gravitational sensing with weak value based optical sensors

Andrew N. Jordan; Philippe Lewalle; Jeff Tollaksen; John C. Howell

doi:10.1007/s40509-018-0175-9

Gravitational sensing with weak value based optical sensors

Andrew N. Jordan, Philippe Lewalle^*, Jeff Tollaksen, John C. Howell

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Using weak value amplification angular resolution limits, we theoretically investigate the gravitational sensing of objects. By inserting a force-sensing pendulum into a weak value interferometer, the optical response can sense accelerations to a few 10’s of zepto-g Hz ^{- 1 / 2}, with optical powers of 1 mW. We convert this precision into range and mass sensitivity, focusing in detail on simple and torsion pendula. Various noise sources present are discussed, as well as the necessary cooling that should be applied to reach the desired levels of precision.

Original language	English
Pages (from-to)	169-180
Number of pages	12
Journal	Quantum Studies: Mathematics and Foundations
Volume	6
Issue number	2
DOIs	https://doi.org/10.1007/s40509-018-0175-9
State	Published - 1 Jun 2019

Bibliographical note

Publisher Copyright:
© 2018, Chapman University.

Keywords

Gravimetry
Gravity gradiometer
Optical sensing
Weak value amplification

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10.1007/s40509-018-0175-9

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abstract = "Using weak value amplification angular resolution limits, we theoretically investigate the gravitational sensing of objects. By inserting a force-sensing pendulum into a weak value interferometer, the optical response can sense accelerations to a few 10{\textquoteright}s of zepto-g Hz - 1 / 2, with optical powers of 1 mW. We convert this precision into range and mass sensitivity, focusing in detail on simple and torsion pendula. Various noise sources present are discussed, as well as the necessary cooling that should be applied to reach the desired levels of precision.",

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AU - Lewalle, Philippe

AU - Tollaksen, Jeff

AU - Howell, John C.

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Y1 - 2019/6/1

N2 - Using weak value amplification angular resolution limits, we theoretically investigate the gravitational sensing of objects. By inserting a force-sensing pendulum into a weak value interferometer, the optical response can sense accelerations to a few 10’s of zepto-g Hz - 1 / 2, with optical powers of 1 mW. We convert this precision into range and mass sensitivity, focusing in detail on simple and torsion pendula. Various noise sources present are discussed, as well as the necessary cooling that should be applied to reach the desired levels of precision.

AB - Using weak value amplification angular resolution limits, we theoretically investigate the gravitational sensing of objects. By inserting a force-sensing pendulum into a weak value interferometer, the optical response can sense accelerations to a few 10’s of zepto-g Hz - 1 / 2, with optical powers of 1 mW. We convert this precision into range and mass sensitivity, focusing in detail on simple and torsion pendula. Various noise sources present are discussed, as well as the necessary cooling that should be applied to reach the desired levels of precision.

KW - Gravimetry

KW - Gravity gradiometer

KW - Optical sensing

KW - Weak value amplification

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JO - Quantum Studies: Mathematics and Foundations

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Gravitational sensing with weak value based optical sensors

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Keywords

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