Laser cooling of atoms at narrow optical transitions in fields with a polarisation gradient

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Laser cooling of atoms at narrow optical transitions in fields with a polarisation gradient. / Il'enkov, R. Ya; Prudnikov, O. N.; Taichenachev, A. V. et al.

In: Quantum Electronics, Vol. 50, No. 6, 01.06.2020, p. 551-555.

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

BibTeX

@article{8b45d59b15d04e9e98c7568585ffef96,

title = "Laser cooling of atoms at narrow optical transitions in fields with a polarisation gradient",

abstract = "The efficiency of the polarisation mechanisms of laser cooling of atoms is analysed using narrow optical transitions for which the recoil energy is greater than or comparable to the natural line width. By the example of atoms with the Jg = 1 → Je = 2 optical transition (Jg and Je are the total angular momenta of the ground and excited states) in the resonant light fields of σ+-σ- and lin⊥lin configurations, the analysis of the minimum achievable energies of laser-cooled atoms is performed. It is shown that the polarisation mechanisms of laser cooling under conditions of a significant influence of recoil effects become less efficient and do not lead to average kinetic energies of an ensemble of atoms below the Doppler limit.",

keywords = "laser cooling, clock optical transitions, recoil effect, optical lattices, BOSE-EINSTEIN CONDENSATION, MOTION, RADIATION, LIGHT",

author = "Il'enkov, {R. Ya} and Prudnikov, {O. N.} and Taichenachev, {A. V.} and Yudin, {V. I.}",

year = "2020",

month = jun,

day = "1",

doi = "10.1070/QEL17337",

language = "English",

volume = "50",

pages = "551--555",

journal = "Quantum Electronics",

issn = "1063-7818",

publisher = "Turpion Ltd.",

number = "6",

}

RIS

TY - JOUR

T1 - Laser cooling of atoms at narrow optical transitions in fields with a polarisation gradient

AU - Il'enkov, R. Ya

AU - Prudnikov, O. N.

AU - Taichenachev, A. V.

AU - Yudin, V. I.

PY - 2020/6/1

Y1 - 2020/6/1

N2 - The efficiency of the polarisation mechanisms of laser cooling of atoms is analysed using narrow optical transitions for which the recoil energy is greater than or comparable to the natural line width. By the example of atoms with the Jg = 1 → Je = 2 optical transition (Jg and Je are the total angular momenta of the ground and excited states) in the resonant light fields of σ+-σ- and lin⊥lin configurations, the analysis of the minimum achievable energies of laser-cooled atoms is performed. It is shown that the polarisation mechanisms of laser cooling under conditions of a significant influence of recoil effects become less efficient and do not lead to average kinetic energies of an ensemble of atoms below the Doppler limit.

AB - The efficiency of the polarisation mechanisms of laser cooling of atoms is analysed using narrow optical transitions for which the recoil energy is greater than or comparable to the natural line width. By the example of atoms with the Jg = 1 → Je = 2 optical transition (Jg and Je are the total angular momenta of the ground and excited states) in the resonant light fields of σ+-σ- and lin⊥lin configurations, the analysis of the minimum achievable energies of laser-cooled atoms is performed. It is shown that the polarisation mechanisms of laser cooling under conditions of a significant influence of recoil effects become less efficient and do not lead to average kinetic energies of an ensemble of atoms below the Doppler limit.

KW - laser cooling

KW - clock optical transitions

KW - recoil effect

KW - optical lattices

KW - BOSE-EINSTEIN CONDENSATION

KW - MOTION

KW - RADIATION

KW - LIGHT

UR - http://www.scopus.com/inward/record.url?scp=85087331989&partnerID=8YFLogxK

U2 - 10.1070/QEL17337

DO - 10.1070/QEL17337

M3 - Article

AN - SCOPUS:85087331989

VL - 50

SP - 551

EP - 555

JO - Quantum Electronics

JF - Quantum Electronics

SN - 1063-7818

IS - 6

ER -

ID: 24715521