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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
Determination of atomic number density in MEMS vapor cells via single-pass absorption spectroscopy (SPAS)
Sumit Achar, Shivam Sinha, Ezhilarasan M +2
Micro-electro-mechanical systems (MEMS)-based (chip-scale) alkali vapor cells are key components in emerging quantum technologies, where device performance critically depends on th…