29 citations · 118 across the 6 of their papers we have counts for
10 papers · 1 filter
Absolute frequency measurements of the line and fine-structure interval in K
Ayan Banerjee, Vasant Natarajan
We report a value for the -line frequency of K with 0.25 ppb uncertainty. The frequency is measured using an evacuated ring-cavity resonator whose length is calibrated…
Precise measurements of UV atomic lines: Hyperfine structure and isotope shifts in the 398.8 nm line of Yb
Ayan Banerjee, Umakant D. Rapol, Dipankar Das +2
We demonstrate a technique for frequency measurements of UV transitions with sub-MHz precision. The frequency is measured using a ring-cavity resonator whose length is calibrated a…
Precise measurement of hyperfine structure in the state of Rb
Umakant D. Rapol, Anusha Krishna, Vasant Natarajan
We demonstrate a technique to measure hyperfine structure using a frequency-stabilized diode laser and an acousto-optic modulator locked to the frequency difference between two hyp…
Laser cooling and trapping of Yb from a thermal source
Umakant D. Rapol, Anusha Krishna, Ajay Wasan +1
We have successfully loaded a magneto-optic trap for Yb atoms from a thermal source without the use of a Zeeman slower. The source is placed close to the trapping region so that it…
Precise measurement of hyperfine intervals using avoided crossing of dressed states
Umakant D. Rapol, Vasant Natarajan
We demonstrate a technique for precisely measuring hyperfine intervals in alkali atoms. The atoms form a three-level system in the presence of a strong control laser and a weak…
Precise fine-structure and hyperfine-structure measurements in Rb
Ayan Banerjee, Dipankar Das, Vasant Natarajan
We demonstrate a new technique for measuring the absolute frequencies of atomic transitions. The technique uses a ring-cavity resonator whose length is calibrated using a reference…