Efficient transfer of inversion doublet populations in deuterated ammonia using adiabatic rapid passage

S. Herbers; Y. M. Caris; S. E.J. Kuijpers; J. U. Grabow; S. Y.T. van de Meerakker

doi:10.1080/00268976.2022.2129105

Efficient transfer of inversion doublet populations in deuterated ammonia using adiabatic rapid passage

S. Herbers, Y. M. Caris, S. E.J. Kuijpers, J. U. Grabow, S. Y.T. van de Meerakker^*

^*Corresponding author for this work

Institute of Physical Chemistry and Electrochemistry

Radboud University Nijmegen (RU)

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

Abstract

We demonstrate the efficient transfer of population from the upper to the lower inversion level within the rotational ground state of para-ND (Formula presented.). A packet of ND (Formula presented.) molecules is velocity controlled and state selected using a Stark decelerator, and subsequently transferred with (Formula presented.) efficiency using the principles of adiabatic rapid passage. Transitions are induced using microwave chirps both under zero-field conditions as well as in the presence of an electric field to probe (Formula presented.) -resolved transition efficiencies. Simulations of the transfer efficiencies based on the von Neumann equation, taking all hyperfine transitions into account, showed excellent agreement with experimental observations.

Original language	English
Article number	e2129105
Journal	Molecular physics
Volume	121
Issue number	17-18
Early online date	1 Oct 2022
DOIs	https://doi.org/10.1080/00268976.2022.2129105
Publication status	Published - 2023

Keywords

Adiabatic rapid passage
ammonia
microwave spectroscopy
Stark decelerator
von Neumann equation

ASJC Scopus subject areas

Biophysics
Molecular Biology
Condensed Matter Physics
Physical and Theoretical Chemistry

Access to Document

10.1080/00268976.2022.2129105Licence: CC BY 4.0

Cite this

@article{fa65441a0f9e43cdb2971399d87d306c,

title = "Efficient transfer of inversion doublet populations in deuterated ammonia using adiabatic rapid passage",

abstract = "We demonstrate the efficient transfer of population from the upper to the lower inversion level within the rotational ground state of para-ND (Formula presented.). A packet of ND (Formula presented.) molecules is velocity controlled and state selected using a Stark decelerator, and subsequently transferred with (Formula presented.) efficiency using the principles of adiabatic rapid passage. Transitions are induced using microwave chirps both under zero-field conditions as well as in the presence of an electric field to probe (Formula presented.) -resolved transition efficiencies. Simulations of the transfer efficiencies based on the von Neumann equation, taking all hyperfine transitions into account, showed excellent agreement with experimental observations.",

keywords = "Adiabatic rapid passage, ammonia, microwave spectroscopy, Stark decelerator, von Neumann equation",

author = "S. Herbers and Caris, {Y. M.} and Kuijpers, {S. E.J.} and Grabow, {J. U.} and {van de Meerakker}, {S. Y.T.}",

note = "Funding Information: This work is part of the research program of the Netherlands Organization for Scientific Research (NWO). S. Y. T. van de Meerakker acknowledges support from the H2020 European Research Council (ERC) under the European Union's Horizon 2020 Research and Innovation Program [grant agreement number 817947 FICOMOL]. S. H. would like to thank B. Sartakov for the detailed exchange regarding the Stark effect in ammonia and is grateful to H. S. P. M{\"u}ller for providing initial SPFIT/SPCAT files for ND including nitrogen quadrupole coupling. We thank Niek Janssen and Andr{\'e} van Roij for expert technical support.",

year = "2023",

doi = "10.1080/00268976.2022.2129105",

language = "English",

volume = "121",

journal = "Molecular physics",

issn = "0026-8976",

publisher = "Taylor and Francis Ltd.",

number = "17-18",

}

TY - JOUR

T1 - Efficient transfer of inversion doublet populations in deuterated ammonia using adiabatic rapid passage

AU - Herbers, S.

AU - Caris, Y. M.

AU - Kuijpers, S. E.J.

AU - Grabow, J. U.

AU - van de Meerakker, S. Y.T.

N1 - Funding Information: This work is part of the research program of the Netherlands Organization for Scientific Research (NWO). S. Y. T. van de Meerakker acknowledges support from the H2020 European Research Council (ERC) under the European Union's Horizon 2020 Research and Innovation Program [grant agreement number 817947 FICOMOL]. S. H. would like to thank B. Sartakov for the detailed exchange regarding the Stark effect in ammonia and is grateful to H. S. P. Müller for providing initial SPFIT/SPCAT files for ND including nitrogen quadrupole coupling. We thank Niek Janssen and André van Roij for expert technical support.

PY - 2023

Y1 - 2023

N2 - We demonstrate the efficient transfer of population from the upper to the lower inversion level within the rotational ground state of para-ND (Formula presented.). A packet of ND (Formula presented.) molecules is velocity controlled and state selected using a Stark decelerator, and subsequently transferred with (Formula presented.) efficiency using the principles of adiabatic rapid passage. Transitions are induced using microwave chirps both under zero-field conditions as well as in the presence of an electric field to probe (Formula presented.) -resolved transition efficiencies. Simulations of the transfer efficiencies based on the von Neumann equation, taking all hyperfine transitions into account, showed excellent agreement with experimental observations.

AB - We demonstrate the efficient transfer of population from the upper to the lower inversion level within the rotational ground state of para-ND (Formula presented.). A packet of ND (Formula presented.) molecules is velocity controlled and state selected using a Stark decelerator, and subsequently transferred with (Formula presented.) efficiency using the principles of adiabatic rapid passage. Transitions are induced using microwave chirps both under zero-field conditions as well as in the presence of an electric field to probe (Formula presented.) -resolved transition efficiencies. Simulations of the transfer efficiencies based on the von Neumann equation, taking all hyperfine transitions into account, showed excellent agreement with experimental observations.

KW - Adiabatic rapid passage

KW - ammonia

KW - microwave spectroscopy

KW - Stark decelerator

KW - von Neumann equation

UR - http://www.scopus.com/inward/record.url?scp=85139247095&partnerID=8YFLogxK

U2 - 10.1080/00268976.2022.2129105

DO - 10.1080/00268976.2022.2129105

M3 - Article

AN - SCOPUS:85139247095

SN - 0026-8976

VL - 121

JO - Molecular physics

JF - Molecular physics

IS - 17-18

M1 - e2129105

ER -

Efficient transfer of inversion doublet populations in deuterated ammonia using adiabatic rapid passage

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Cite this