TNPSC Thervupettagam

RRI Cold Atom Measurement Technique

January 14 , 2026 15 hrs 0 min 9 0
  • Raman Research Institute (RRI) has developed a new technique to measure cold atoms without disturbing them.
  • The new method is called Raman Driven Spin Noise Spectroscopy (RDSNS).
  • It measures the density of cold atoms in real time without changing their quantum state.
  • The technique increases the signal strength by nearly one million times.
  • It was tested on potassium atoms kept in a Magneto-Optical Trap (MOT).

 

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