A simple imaging solution for chip-scale laser cooling

A. Bregazzi; P. F. Griffin; A. S. Arnold; D. P. Burt; G Martinez; R. Boudot; J. Kitching; E. Riis; J. P. McGilligan

doi:10.1063/5.0068725

A simple imaging solution for chip-scale laser cooling

A. Bregazzi, P. F. Griffin, A. S. Arnold, D. P. Burt, G Martinez, R. Boudot, J. Kitching, E. Riis, J. P. McGilligan

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Abstract

We demonstrate a simple stacked scheme that enables absorption imaging through a hole in the surface of a grating magneto-optical trap (GMOT) chip, placed immediately below a micro-fabricated vacuum cell. The imaging scheme is capable of overcoming the reduced optical access and surface scatter that is associated with this chip-scale platform while further permitting both trapping and imaging of the atoms from a single incident laser beam. The through-hole imaging is used to characterize the impact of the reduced optical overlap volume of the GMOT in the chip-scale cell, with an outlook to an optimized atom number in low volume systems.

Original language	English
Article number	184002
Pages (from-to)	184002
Number of pages	5
Journal	Applied Physics Letters
Volume	119
Issue number	18
DOIs	https://doi.org/10.1063/5.0068725
Publication status	Published - 1 Nov 2021

Keywords

grating magneto-optical trap (GMOT) chip
vacuum cell
imaging scheme
chip-scale cell

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10.1063/5.0068725Licence: CC BY 4.0

Bregazzi-etal-APL-2021-A-simple-imaging-solution-for-chip-scale-laser-coolingFinal published version, 1.7 MBLicence: CC BY 4.0

Cite this

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abstract = "We demonstrate a simple stacked scheme that enables absorption imaging through a hole in the surface of a grating magneto-optical trap (GMOT) chip, placed immediately below a micro-fabricated vacuum cell. The imaging scheme is capable of overcoming the reduced optical access and surface scatter that is associated with this chip-scale platform while further permitting both trapping and imaging of the atoms from a single incident laser beam. The through-hole imaging is used to characterize the impact of the reduced optical overlap volume of the GMOT in the chip-scale cell, with an outlook to an optimized atom number in low volume systems.",

keywords = "grating magneto-optical trap (GMOT) chip, vacuum cell, imaging scheme, chip-scale cell",

author = "A. Bregazzi and Griffin, {P. F.} and Arnold, {A. S.} and Burt, {D. P.} and G Martinez and R. Boudot and J. Kitching and E. Riis and McGilligan, {J. P.}",

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T1 - A simple imaging solution for chip-scale laser cooling

AU - Bregazzi, A.

AU - Griffin, P. F.

AU - Arnold, A. S.

AU - Burt, D. P.

AU - Martinez, G

AU - Boudot, R.

AU - Kitching, J.

AU - Riis, E.

AU - McGilligan, J. P.

PY - 2021/11/1

Y1 - 2021/11/1

N2 - We demonstrate a simple stacked scheme that enables absorption imaging through a hole in the surface of a grating magneto-optical trap (GMOT) chip, placed immediately below a micro-fabricated vacuum cell. The imaging scheme is capable of overcoming the reduced optical access and surface scatter that is associated with this chip-scale platform while further permitting both trapping and imaging of the atoms from a single incident laser beam. The through-hole imaging is used to characterize the impact of the reduced optical overlap volume of the GMOT in the chip-scale cell, with an outlook to an optimized atom number in low volume systems.

AB - We demonstrate a simple stacked scheme that enables absorption imaging through a hole in the surface of a grating magneto-optical trap (GMOT) chip, placed immediately below a micro-fabricated vacuum cell. The imaging scheme is capable of overcoming the reduced optical access and surface scatter that is associated with this chip-scale platform while further permitting both trapping and imaging of the atoms from a single incident laser beam. The through-hole imaging is used to characterize the impact of the reduced optical overlap volume of the GMOT in the chip-scale cell, with an outlook to an optimized atom number in low volume systems.

KW - grating magneto-optical trap (GMOT) chip

KW - vacuum cell

KW - imaging scheme

KW - chip-scale cell

UR - https://aip.scitation.org/journal/apl

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DO - 10.1063/5.0068725

M3 - Article

SN - 0003-6951

VL - 119

SP - 184002

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 18

M1 - 184002

ER -

A simple imaging solution for chip-scale laser cooling

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UK National Quantum Technology Hub in Sensing and Timing

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A simple imaging solution for chip-scale laser cooling

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UK National Quantum Technology Hub in Sensing and Timing

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