Magnetic-free chiral eigenmode spectroscopy for simultaneous sensitive measurement of optical rotary dispersion and circular dichroism

W Zhou, YP Ruan, H Wu, H Zhang, JS Tang, Z Xie… - eLight, 2024 - Springer
Abstract Chirality, defined by Lord Kelvin, refers to the geometric symmetry property of an
object that cannot be superposed onto its mirror image using rotations and translations. The …

[HTML][HTML] Coherent optical processes on Cs D2 line magnetically induced transitions

A Sargsyan, A Amiryan, A Tonoyan, E Klinger… - Physics Letters A, 2022 - Elsevier
The increased spectral resolution allowed by the use of extremely thin vapor cells has led to
the observation of interesting behavior of alkali transitions when placed in a magnetic field …

Formation of strongly shifted EIT resonances using “forbidden” transitions of Cesium

A Sargsyan, A Tonoyan, R Momier, C Leroy… - Journal of Quantitative …, 2023 - Elsevier
Atomic transitions satisfying F e− F g= Δ F=±2 (where F e stands for excited and F g stands
for ground state) of alkali atoms have zero probability in zero magnetic field (they are so …

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 …

Wide range linear magnetometer based on a sub-microsized K vapor cell

M Auzinsh, A Sargsyan, A Tonoyan, C Leroy… - arXiv preprint arXiv …, 2022 - arxiv.org
$^{39} $ K atoms have the smallest ground state ($^ 2S_ {1/2} $) hyperfine splitting of all the
most naturally abundent alkali isotopes and, consequently, the smallest characteristic …

Application of magnetically induced Fg= 4→ Fe= 2 atomic transitions of cesium atoms in strong magnetic fields

A Sargsyan, A Tonoyan, D Sarkisyan - Optics Communications, 2023 - Elsevier
In this work, magnetically induced (MI) transitions of the Cs atoms in strong magnetic fields
up to 6 kG, and their applications in spectroscopy are studied experimentally and …

Better magneto-optical filters with cascaded vapor cells

FD Logue, JD Briscoe, D Pizzey, SA Wrathmall… - Optics Letters, 2022 - opg.optica.org
Single-cell magneto-optical Faraday filters find great utility and are realized with either
“wing” or “line center” spectral profiles. We show that cascading a second cell with …

Dominant magnetically induced transitions in alkali metal atoms with nuclear spin 3/2

A Sargsyan, A Tonoyan, R Momier, C Leroy… - JOSA B, 2022 - opg.optica.org
The probabilities of atomic transitions F_e− F_g=±2 between a ground F_g and an excited
F_e level of the D_2 line of any alkali metal atom are zero when no external magnetic field is …

Observation of magnetically-induced transition intensity redistribution in the onset of the hyperfine Paschen–Back regime

A Sargsyan, E Klinger, A Tonoyan, D Sarkisyan - Optik, 2024 - Elsevier
The Zeeman effect is an important topic in atomic spectroscopy. The induced change in
transition frequencies and amplitudes finds applications in the Earth-field-range …

Application of Magnetically Induced Transitions of the 85Rb D2 Line in Coherent Processes

A Sargsyan, A Tonoyan, D Sarkisyan - Journal of Experimental and …, 2021 - Springer
Magnetically induced F g= 2→ F e= 4 transitions corresponding to the 85 Rb D 2 line in the
case of the σ+ circularly polarized radiation have been used for the first time to form optical …