absorption spectroscopy 1cavity qed 1density-matrix modeling 1electromagnetically induced transparency 1mems vapor cells 1phonon occupation 1quantum sensing 1resolved sideband cooling 1rubidium density 1sub-doppler cooling 1trapped ion thermometry 1
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physics.atom-ph2026
Determination of atomic number density in MEMS vapor cells via single-pass absorption spectroscopy (SPAS)
Sumit Achar, Shivam Sinha, Ezhilarasan M +2
The paper presents a validated method using single‑pass absorption spectroscopy to accurately determine rubidium atomic number density in MEMS‑based vapor cells across a range of t…
physics.atom-ph2026
Precision Measurement of the Saturation Intensity in Rubidium at 420 nm
Shivam Sinha, Sumit Achar, Sankar Satheesh +1
The transition of rubidium at nm is a promising candidate for a portable warm-vapor all-optical atomic clock. Despite recent precision spectro…
physics.atom-ph2025
Hyperfine and Zeeman Optical Pumping and Transverse Laser Cooling of a Thermal Atomic Beam of Dysprosium Using a Single 421 nm Laser
Rohan Chakravarthy, Jonathan Agil, Arijit Sharma +2
We demonstrate the effect of Zeeman and hyperfine optical pumping and transverse laser cooling of a dysprosium (Dy) atomic beam on the $4f^{10}6s^2(J = 8) \rightarrow 4f^{10}6s6p(J…