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Cold Thallium Fluoride Beam : = Buffer Gas Cooling, Beam Production, and B Triplet Pi Excited State Hyperfine Spectra.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Cold Thallium Fluoride Beam :/
Reminder of title:	Buffer Gas Cooling, Beam Production, and B Triplet Pi Excited State Hyperfine Spectra.
Author:	Edwards, Eustace R.
Description:	1 online resource (310 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 85-01, Section: B.
Contained By:	Dissertations Abstracts International85-01B.
Subject:	Molecular physics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30310365click for full text (PQDT)
ISBN:	9798379762186

Cold Thallium Fluoride Beam : = Buffer Gas Cooling, Beam Production, and B Triplet Pi Excited State Hyperfine Spectra.
Edwards, Eustace R.

Cold Thallium Fluoride Beam :Buffer Gas Cooling, Beam Production, and B Triplet Pi Excited State Hyperfine Spectra. - 1 online resource (310 pages)

Source: Dissertations Abstracts International, Volume: 85-01, Section: B.

Thesis (Ph.D.)--Yale University, 2023.

Includes bibliographical references

The possibility of laser cooling on thallium fluoride's (TlF) |X1Σ> → |B3Π> optical transition has generated renewed interest in the use of TlF in fundamental physical measurements. In particular, researchers were interested in the hyperfine structure in the lowest rotational energy levels of the B state, and the laser cooling potential of lowest Q-branch transition. In this work, we constructed and characterized a cryogenic buffer gas beam source (CBGBS) to produce a rotationally cold TlF beam (3.6K). Using the cold beam, we recorded low temperature hyperfine spectra, and discovered the B state possesses hyperfine interaction (roughly 4 times the size of the rotational constant), which leads to rotational state mixing, and spoiling of the initially proposed laser cooling transition. Since the cold beam provided unambiguous identification of TlF's Q branch transitions, we were able to perform preliminary transverse laser cooling on the proposed laser cooling transitions.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798379762186Subjects--Topical Terms:

3174737
Molecular physics.
Subjects--Index Terms:

Buffer gasIndex Terms--Genre/Form:

542853
Electronic books.

Cold Thallium Fluoride Beam : = Buffer Gas Cooling, Beam Production, and B Triplet Pi Excited State Hyperfine Spectra.
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300 $a 1 online resource (310 pages)
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500 $a Source: Dissertations Abstracts International, Volume: 85-01, Section: B.
500 $a Advisor: DeMille, David;Lamoreaux, Steve.
502 $a Thesis (Ph.D.)--Yale University, 2023.
504 $a Includes bibliographical references
520 $a The possibility of laser cooling on thallium fluoride's (TlF) |X1Σ> → |B3Π> optical transition has generated renewed interest in the use of TlF in fundamental physical measurements. In particular, researchers were interested in the hyperfine structure in the lowest rotational energy levels of the B state, and the laser cooling potential of lowest Q-branch transition. In this work, we constructed and characterized a cryogenic buffer gas beam source (CBGBS) to produce a rotationally cold TlF beam (3.6K). Using the cold beam, we recorded low temperature hyperfine spectra, and discovered the B state possesses hyperfine interaction (roughly 4 times the size of the rotational constant), which leads to rotational state mixing, and spoiling of the initially proposed laser cooling transition. Since the cold beam provided unambiguous identification of TlF's Q branch transitions, we were able to perform preliminary transverse laser cooling on the proposed laser cooling transitions.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Molecular physics. $3 3174737
650 4 $a Optics. $3 517925
650 4 $a Atomic physics. $3 3173870
653 $a Buffer gas
653 $a Hyperfine spectra
653 $a Laser cooling
653 $a Thallium fluoride
653 $a B state
653 $a Q-branch transition
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710 2 $a Yale University. $b Physics. $3 2101654
773 0 $t Dissertations Abstracts International $g 85-01B.
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30310365 $z click for full text (PQDT)