Hyperfine Paschen–Back regime realized in Rb nanocell

A Sargsyan, G Hakhumyan, C Leroy… - Optics letters, 2012 - opg.optica.org
A simple and efficient scheme based on a one-dimensional nanometric-thin cell filled with
Rb and strong permanent ring magnets allows direct observation of the hyperfine Paschen …

Saturated-absorption spectroscopy revisited: atomic transitions in strong magnetic fields (> 20 mT) with a micrometer-thin cell

A Sargsyan, A Tonoyan, R Mirzoyan, D Sarkisyan… - Optics Letters, 2014 - opg.optica.org
The existence of crossover resonances makes saturated-absorption (SA) spectra very
complicated when external magnetic field B is applied. It is demonstrated for the first time, to …

Four-level -scheme crossover resonances in Rb saturation spectroscopy in magnetic fields

S Scotto, D Ciampini, C Rizzo, E Arimondo - Physical Review A, 2015 - APS
We perform saturated absorption spectroscopy on the D 2 line for room temperature
rubidium atoms immersed in magnetic fields within the 0.05–0.13 T range. At those medium …

Study of “forbidden” atomic transitions on D2 line using Rb nano-cell placed in external magnetic field

G Hakhumyan, C Leroy, R Mirzoyan… - The European Physical …, 2012 - Springer
By experimental exploration of the so-called λ-Zeeman technique based on Rb nano-cell
use we reveal for the first time a strong modification of the probabilities of 87 Rb D 2 line F …

Understanding asymmetry in electromagnetically induced transparency for 87Rb in strong transverse magnetic field

IH Subba, RK Singh, N Sharma, S Chatterjee… - The European Physical …, 2020 - Springer
We present the results of our experimental investigation performed for D 2 line of 87 Rb. In
this work, we have studied the phenomenon of electromagnetically induced transparency of …

High-spatial-resolution monitoring of strong magnetic field using Rb vapor nanometric-thin cell

G Hakhumyan, C Leroy, Y Pashayan-Leroy… - Optics …, 2011 - Elsevier
We have implemented the so-called λ-Zeeman technique (LZT) to investigate individual
hyperfine transitions between Zeeman sublevels of the Rb atoms in a strong external …

Polarization enhanced tunable Doppler-free dichroic lock technique for laser frequency locking

V Singh, VB Tiwari, SR Mishra - Journal of the Optical Society of …, 2020 - opg.optica.org
We present a technique, called the polarization enhanced tunable Doppler-free dichroic lock
(PET-DFDL) technique, for frequency stabilization of a laser system. This technique is based …

Narrow peaks in excitation spectrum of alkali spin polarization: non-adiabatic case of spin dynamics

EN Popov, AA Gaidash, AV Kozubov… - Physica …, 2024 - iopscience.iop.org
We theoretically describe the phenomenon of non-adiabatic spin dynamics, which occurs in
a gas cell filled by alkali vapor in the presence of a strong alternating magnetic field and …

Observation of electromagnetically induced absorption in 87rb d2 line in strong transverse magnetic field

IH Subba, A Tripathi - Journal of Physics B: Atomic, Molecular …, 2018 - iopscience.iop.org
We have studied electromagnetically induced absorption in the rubidium-87 D 2 line using
pump− probe spectroscopy. The experiment was done in the presence of an external …

Unusual spin effect in alkali vapor induced by two orthogonal multiple harmonics of magnetic field

EN Popov, AA Gaidash, AV Kozubov… - arXiv preprint arXiv …, 2023 - arxiv.org
In this paper, we describe the unusual low-frequency magnetic resonances in alkali vapor
with oriented atomic spins regarding the framework of density matrix formalism. The feature …