Approach to quantitative spectroscopy of atomic vapor in optical nanocells

A Sargsyan, A Amiryan, Y Pashayan-Leroy, C Leroy… - Optics Letters, 2019 - opg.optica.org
We present a method for recovery of narrow homogeneous spectral features out of a broad
inhomogeneous overlapped profile based on second-derivative processing of the …

Proof of the feasibility of a nanocell-based wide-range optical magnetometer

E Klinger, H Azizbekyan, A Sargsyan, C Leroy… - Applied Optics, 2020 - opg.optica.org
We present an experimental scheme performing scalar magnetometry based on the fitting of
Rb \rmD_2 D_2 line spectra recorded by derivative selective reflection spectroscopy from an …

Sub-Doppler spectra of sodium D lines in a wide range of magnetic field: theoretical study

R Momier, AV Papoyan, C Leroy - Journal of Quantitative Spectroscopy and …, 2021 - Elsevier
We compute the interaction of a sodium vapor with a static magnetic field ranging from 0 up
to 1 Tesla, which allows to obtain the behavior of all Zeeman transitions as a function of the …

Simultaneous two-photon resonant optical laser locking (STROLLing) in the hyperfine Paschen–Back regime

RS Mathew, F Ponciano-Ojeda, J Keaveney… - Optics Letters, 2018 - opg.optica.org
We demonstrate a technique to lock simultaneously two laser frequencies to each step of a
two-photon transition in the presence of a magnetic field sufficiently large to gain access to …

Zeeman-tunable modulation transfer spectroscopy

C So, NLR Spong, C Möhl, Y Jiao, T Ilieva… - Optics Letters, 2019 - opg.optica.org
Active frequency stabilization of a laser to an atomic or molecular resonance underpins
many modern-day AMO physics experiments. With a flat background and high signal-to …

Fine-structure changing collisions in 87Rb upon D2 excitation in the hyperfine Paschen-Back regime

CR Higgins, D Pizzey, IG Hughes - Journal of Physics B: Atomic …, 2024 - iopscience.iop.org
We investigate fine structure changing collisions in 87 Rb vapour upon D 2 excitation in a
thermal vapour at 75∘ C; the atoms are placed in a 0.6 T axial magnetic field in order to gain …

Features of magnetically-induced atomic transitions of the Rb D1 line studied by a Doppler-free method based on the second derivative of the absorption spectra

A Sargsyan, A Amiryan, E Klinger… - Journal of Physics B …, 2020 - iopscience.iop.org
In this paper we show that the second derivative (SD) technique of the absorption spectra of
Rb atomic vapours, confined in a nanocell with a thickness ℓ= λ/2= 398 nm, allows us to …

Selective reflection from a potassium atomic layer with a thickness as small as λ/13

A Sargsyan, E Klinger, C Leroy… - Journal of Physics B …, 2019 - iopscience.iop.org
We demonstrate that a method using the derivative of the selective reflection (SR) signal
from a nanocell is a convenient and robust tool for atomic laser spectroscopy, achieving a …

Investigations of Atomic Transitions of the D2 Line of Potassium in Strong Magnetic Fields Using Saturated Absorption Technique in a Microcell

AD Sargsyan - Journal of Contemporary Physics (Armenian Academy …, 2023 - Springer
Atomic transitions of 39K, D2 line are studied in strong longitudinal magnetic fields, up to
1000 G, with a high spectral resolution. The saturated absorption (SA) method was used in a …

Transition cancellations of 87Rb and 85Rb atoms in a magnetic field

A Aleksanyan, R Momier, E Gazazyan, A Papoyan… - JOSA B, 2020 - opg.optica.org
We have analyzed the magnetic field dependencies of the intensities of all the optical
transitions between magnetic sublevels of hyperfine levels, excited with σ^+, π, and σ …