Laser theory and Doppler effects
Abstract
Certain aspects related to work on laser theory in the 1960s are discussed, taking into account a realistic model for a gas laser considering single and multimode oscillation. One of the unexpected outcomes was the prediction that the intensity of singlemode oscillation could have a minimum when the FabryPerot resonator was exactly tuned to the atomic resonance frequency. The considered work on laser theory required some knowledge and experience of quantum mechanics, electromagnetic theory, optics, atomic physics, and physics of nonlinear systems. An interest in the Doppler effect was also found to be important. Attention is given to the development of Kband magnetron oscillators, work on the fine structure of hydrogen, the theory of the ammonia beam laser, the theory of an optical maser, aspects of Doppler free spectroscopy, and stimulated and spontaneous emission.
 Publication:

IEEE Journal of Quantum Electronics
 Pub Date:
 June 1984
 DOI:
 10.1109/JQE.1984.1072453
 Bibcode:
 1984IJQE...20..551L
 Keywords:

 Atomic Theory;
 Doppler Effect;
 Gas Lasers;
 Lasing;
 Quantum Electronics;
 Atomic Physics;
 Electromagnetic Fields;
 Field Theory (Physics);
 Laser Cavities;
 Laser Spectroscopy;
 Nonlinear Optics;
 Optical Resonators;
 Quantum Mechanics;
 Spontaneous Emission;
 Stimulated Emission;
 Lasers and Masers