• High Precision Optical Frequency Metrology 

      Das, Dipankar (2009-07-22)
      Precise measurements of both absolute frequencies and small frequency differences of atomic energy levels have played an important role in the development of physics. For example, high precision measurements of absolute ...
    • Hyperfine Structure-Measurement in Alkali-metal Atoms and Ytterbium Atom 

      Singh, Alok Kumar (2018-02-15)
      Atomic precision measurements provide a strong testing ground for new theoretical ideas and fundamental laws of physics. Measurement of the Lamb shift in the hydrogen atom is one of the best examples towards this -it ...