Bala, Rajni2024-12-242024-10-01http://ir.iitd.ac.in/handle/123456789/5865enDoppler-free spectroscopyElectric dipole hyperfine transitionsQuantum memoriesPolarization spectroscopyAtomic spectroscopyLaser frequency stabilizationComprehensive analysis of the D2-line spectroscopic features in thermal rubidium vaporThesis