Characterisation of the state and its interaction with the state in aluminium monofluoride

M. Doppelbauer; N. Walter; S. Hofsäss; S. Marx; H. C. Schewe; S. Kray; J. Pérez-Ríos; B. G. Sartakov; S. Truppe; G. Meijer

doi:10.1080/00268976.2020.1810351

Characterisation of the state and its interaction with the state in aluminium monofluoride

M. Doppelbauer
, N. Walter
, S. Hofsäss
, S. Marx
, H. C. Schewe
, S. Kray
, J. Pérez-Ríos
, B. G. Sartakov
, S. Truppe
, G. Meijer

Physics and Astronomy

Fritz Haber Institute of the Max Planck Society
Prokhorov General Physics Institute of the Russian Academy of Sciences

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

12 Scopus citations

Abstract

Recently, we determined the detailed energy level structure of the (Formula presented.), (Formula presented.) and (Formula presented.) states of AlF that are relevant to laser cooling and trapping experiments [Truppe et al., Phys. Rev. A. 100 (5), 052513 (2019)]. Here, we investigate the (Formula presented.) state of the AlF molecule. A rotationally resolved (1 + 2)-REMPI spectrum of the (Formula presented.) band is presented and the lifetime of the (Formula presented.) state is measured to be 190(2) ns. Hyperfine-resolved, laser-induced fluorescence spectra of the (Formula presented.) and the (Formula presented.) bands are recorded to determine fine- and hyperfine structure parameters. The interaction between the (Formula presented.) and the nearby (Formula presented.) state is studied and the magnitude of the spin–orbit coupling between the two electronic states is derived using three independent methods to give a consistent value of 10(1) cm (Formula presented.). The triplet character of the A state causes an (Formula presented.) loss from the main A−X laser cooling cycle below the 10 (Formula presented.) level.

Original language	English
Article number	e1810351
Journal	Molecular Physics
Volume	119
Issue number	1-2
DOIs	https://doi.org/10.1080/00268976.2020.1810351
State	Published - 2021

Keywords

Cold molecules
hyperfine-resolved spectroscopy
laser cooling
spin–orbit coupling

Access to Document

10.1080/00268976.2020.1810351

Cite this

@article{95f06945e7854c4296a687b32f248f2f,

title = "Characterisation of the state and its interaction with the state in aluminium monofluoride",

abstract = "Recently, we determined the detailed energy level structure of the (Formula presented.), (Formula presented.) and (Formula presented.) states of AlF that are relevant to laser cooling and trapping experiments [Truppe et al., Phys. Rev. A. 100 (5), 052513 (2019)]. Here, we investigate the (Formula presented.) state of the AlF molecule. A rotationally resolved (1 + 2)-REMPI spectrum of the (Formula presented.) band is presented and the lifetime of the (Formula presented.) state is measured to be 190(2) ns. Hyperfine-resolved, laser-induced fluorescence spectra of the (Formula presented.) and the (Formula presented.) bands are recorded to determine fine- and hyperfine structure parameters. The interaction between the (Formula presented.) and the nearby (Formula presented.) state is studied and the magnitude of the spin–orbit coupling between the two electronic states is derived using three independent methods to give a consistent value of 10(1) cm (Formula presented.). The triplet character of the A state causes an (Formula presented.) loss from the main A−X laser cooling cycle below the 10 (Formula presented.) level.",

keywords = "Cold molecules, hyperfine-resolved spectroscopy, laser cooling, spin–orbit coupling",

author = "M. Doppelbauer and N. Walter and S. Hofs{\"a}ss and S. Marx and Schewe, \{H. C.\} and S. Kray and J. P{\'e}rez-R{\'i}os and Sartakov, \{B. G.\} and S. Truppe and G. Meijer",

note = "Publisher Copyright: {\textcopyright} 2020 The Author(s). Published by Informa UK Limited, trading as Taylor \& Francis Group.",

year = "2021",

doi = "10.1080/00268976.2020.1810351",

language = "English",

volume = "119",

journal = "Molecular Physics",

issn = "0026-8976",

number = "1-2",

}

TY - JOUR

T1 - Characterisation of the state and its interaction with the state in aluminium monofluoride

AU - Doppelbauer, M.

AU - Walter, N.

AU - Hofsäss, S.

AU - Marx, S.

AU - Schewe, H. C.

AU - Kray, S.

AU - Pérez-Ríos, J.

AU - Sartakov, B. G.

AU - Truppe, S.

AU - Meijer, G.

PY - 2021

Y1 - 2021

N2 - Recently, we determined the detailed energy level structure of the (Formula presented.), (Formula presented.) and (Formula presented.) states of AlF that are relevant to laser cooling and trapping experiments [Truppe et al., Phys. Rev. A. 100 (5), 052513 (2019)]. Here, we investigate the (Formula presented.) state of the AlF molecule. A rotationally resolved (1 + 2)-REMPI spectrum of the (Formula presented.) band is presented and the lifetime of the (Formula presented.) state is measured to be 190(2) ns. Hyperfine-resolved, laser-induced fluorescence spectra of the (Formula presented.) and the (Formula presented.) bands are recorded to determine fine- and hyperfine structure parameters. The interaction between the (Formula presented.) and the nearby (Formula presented.) state is studied and the magnitude of the spin–orbit coupling between the two electronic states is derived using three independent methods to give a consistent value of 10(1) cm (Formula presented.). The triplet character of the A state causes an (Formula presented.) loss from the main A−X laser cooling cycle below the 10 (Formula presented.) level.

AB - Recently, we determined the detailed energy level structure of the (Formula presented.), (Formula presented.) and (Formula presented.) states of AlF that are relevant to laser cooling and trapping experiments [Truppe et al., Phys. Rev. A. 100 (5), 052513 (2019)]. Here, we investigate the (Formula presented.) state of the AlF molecule. A rotationally resolved (1 + 2)-REMPI spectrum of the (Formula presented.) band is presented and the lifetime of the (Formula presented.) state is measured to be 190(2) ns. Hyperfine-resolved, laser-induced fluorescence spectra of the (Formula presented.) and the (Formula presented.) bands are recorded to determine fine- and hyperfine structure parameters. The interaction between the (Formula presented.) and the nearby (Formula presented.) state is studied and the magnitude of the spin–orbit coupling between the two electronic states is derived using three independent methods to give a consistent value of 10(1) cm (Formula presented.). The triplet character of the A state causes an (Formula presented.) loss from the main A−X laser cooling cycle below the 10 (Formula presented.) level.

KW - Cold molecules

KW - hyperfine-resolved spectroscopy

KW - laser cooling

KW - spin–orbit coupling

UR - https://www.scopus.com/pages/publications/85090208372

U2 - 10.1080/00268976.2020.1810351

DO - 10.1080/00268976.2020.1810351

M3 - Article

AN - SCOPUS:85090208372

SN - 0026-8976

VL - 119

JO - Molecular Physics

JF - Molecular Physics

IS - 1-2

M1 - e1810351

ER -

Characterisation of the state and its interaction with the state in aluminium monofluoride

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this