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Observation of CPT for the ground hyperfine interval in Cs
Sumanta Khan, Vineet Bharti, Vasant Natarajan
We use the technique of coherent population trapping (CPT) to access the ground hyperfine interval (clock transition) in Cs. The probe and control beams required for CPT ar…
Tuning of the Hanle effect from EIT to EIA using spatially separated probe and control beams
Mangesh Bhattarai, Vineet Bharti, Vasant Natarajan
We demonstrate a technique for continuous tuning of the Hanle effect from electromagnetically induced transparency (EIT) to electromagnetically induced absorption (EIA) by changing…
Finding the number density of atomic vapor by studying its absorption profile
Harish Ravi, Mangesh Bhattarai, Vasant Natarajan
We demonstrate a technique for obtaining the density of atomic vapor, by doing a fit of the resonant absorption spectrum to a density-matrix model. In order to demonstrate the usef…
Coherent population pumping in a bright state
Sumanta Khan, Vineet Bharti, Vasant Natarajan
We demonstrate resonances due to coherent population pumping in a bright state (CBS), using magnetic sublevels of the closed transition in Rb…
Precise measurement of hyperfine structure in the state of
Pushpander Kumar, Vasant Natarajan
We report a precise measurement of hyperfine structure in the state of the odd isotope of Li, namely . The state is excited from the ground $ \rm…