Measuring and Imaging Nanomechanical Motion with Laser Light

Andreas Barg; Yeghishe Tsaturyan; Erik Belhage; William H. P. Nielsen; Christoffer B. Møller; Albert Schliesser

doi:10.1007/978-3-319-64346-5_6

Measuring and Imaging Nanomechanical Motion with Laser Light

Andreas Barg, Yeghishe Tsaturyan, Erik Belhage, William H. P. Nielsen, Christoffer B. Møller, Albert Schliesser

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3 Citations (Scopus)

Abstract

We discuss several techniques based on laser-driven interferometers and cavities to measure nanomechanical motion. With increasing complexity, they achieve sensitivities reaching from thermal displacement amplitudes, typically at the picometer scale, all the way to the quantum regime, in which radiation pressure induces motion correlated with the quantum fluctuations of the probing light. We show that an imaging modality is readily provided by scanning laser interferometry, reaching a sensitivity on the order of 10 fm/Hz ^1/2 , and a transverse resolution down to 2 μm. We compare this approach with a less versatile, but faster (single-shot) dark-field imaging technique.

Original language	English
Title of host publication	Exploring the World with the Laser
Editors	Dieter Meschede, Thomas Udem, Tilman Esslinger
Number of pages	15
Publisher	Springer
Publication date	2 Jan 2018
Pages	71-85
Chapter	6
ISBN (Print)	978-3-319-64345-8
ISBN (Electronic)	978-3-319-64346-5
DOIs	https://doi.org/10.1007/978-3-319-64346-5_6
Publication status	Published - 2 Jan 2018

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10.1007_s00340_016_6585_7_1_.pdfFinal published version, 1.88 MBLicence: CC BY

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AU - Barg, Andreas

AU - Tsaturyan, Yeghishe

AU - Belhage, Erik

AU - Nielsen, William H. P.

AU - Møller, Christoffer B.

AU - Schliesser, Albert

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N2 - We discuss several techniques based on laser-driven interferometers and cavities to measure nanomechanical motion. With increasing complexity, they achieve sensitivities reaching from thermal displacement amplitudes, typically at the picometer scale, all the way to the quantum regime, in which radiation pressure induces motion correlated with the quantum fluctuations of the probing light. We show that an imaging modality is readily provided by scanning laser interferometry, reaching a sensitivity on the order of 10 fm/Hz 1/2 , and a transverse resolution down to 2 μm. We compare this approach with a less versatile, but faster (single-shot) dark-field imaging technique.

AB - We discuss several techniques based on laser-driven interferometers and cavities to measure nanomechanical motion. With increasing complexity, they achieve sensitivities reaching from thermal displacement amplitudes, typically at the picometer scale, all the way to the quantum regime, in which radiation pressure induces motion correlated with the quantum fluctuations of the probing light. We show that an imaging modality is readily provided by scanning laser interferometry, reaching a sensitivity on the order of 10 fm/Hz 1/2 , and a transverse resolution down to 2 μm. We compare this approach with a less versatile, but faster (single-shot) dark-field imaging technique.

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ER -

Measuring and Imaging Nanomechanical Motion with Laser Light

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