Optical pumping in 4He* with frequency-shifted feedback amplification of light

M. Cashen; V. Bretin; H. Metcalf

doi:10.1364/JOSAB.17.000530

Optical pumping in ⁴He* with frequency-shifted feedback amplification of light

M. Cashen
, V. Bretin
, H. Metcalf

Physics and Astronomy

Stony Brook University

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

15 Scopus citations

Abstract

We use a frequency-shifted feedback technique with a high-gain fiber amplifier operating at λ = 1083 nm to produce a multifrequency light beam that covers a controllable spectral range. It is ideal for optically pumping a gas of metastable He because it spans the Doppler width, and its high efficiency has implications for many applications. Measurements confirm that eight times fewer atoms are left in the unchosen states with multifrequency light.

Original language	English
Pages (from-to)	530-533
Number of pages	4
Journal	Journal of the Optical Society of America B: Optical Physics
Volume	17
Issue number	4
DOIs	https://doi.org/10.1364/JOSAB.17.000530
State	Published - Apr 2000

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title = "Optical pumping in 4He* with frequency-shifted feedback amplification of light",

abstract = "We use a frequency-shifted feedback technique with a high-gain fiber amplifier operating at λ = 1083 nm to produce a multifrequency light beam that covers a controllable spectral range. It is ideal for optically pumping a gas of metastable He because it spans the Doppler width, and its high efficiency has implications for many applications. Measurements confirm that eight times fewer atoms are left in the unchosen states with multifrequency light.",

author = "M. Cashen and V. Bretin and H. Metcalf",

year = "2000",

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T1 - Optical pumping in 4He* with frequency-shifted feedback amplification of light

AU - Cashen, M.

AU - Bretin, V.

AU - Metcalf, H.

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Y1 - 2000/4

N2 - We use a frequency-shifted feedback technique with a high-gain fiber amplifier operating at λ = 1083 nm to produce a multifrequency light beam that covers a controllable spectral range. It is ideal for optically pumping a gas of metastable He because it spans the Doppler width, and its high efficiency has implications for many applications. Measurements confirm that eight times fewer atoms are left in the unchosen states with multifrequency light.

AB - We use a frequency-shifted feedback technique with a high-gain fiber amplifier operating at λ = 1083 nm to produce a multifrequency light beam that covers a controllable spectral range. It is ideal for optically pumping a gas of metastable He because it spans the Doppler width, and its high efficiency has implications for many applications. Measurements confirm that eight times fewer atoms are left in the unchosen states with multifrequency light.

UR - https://www.scopus.com/pages/publications/0034421360

U2 - 10.1364/JOSAB.17.000530

DO - 10.1364/JOSAB.17.000530

M3 - Article

AN - SCOPUS:0034421360

SN - 0740-3224

VL - 17

SP - 530

EP - 533

JO - Journal of the Optical Society of America B: Optical Physics

JF - Journal of the Optical Society of America B: Optical Physics

IS - 4

ER -

Optical pumping in ⁴He* with frequency-shifted feedback amplification of light

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