Efficient continuous optical second-harmonic generation
- 1 April 1966
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Quantum Electronics
- Vol. 2 (4) , 129
- https://doi.org/10.1109/jqe.1966.1073907
Abstract
Summary form only, as given. Whereas efficencies of greater than 20 percent in optical second-harmonic generation (SHG) have been reported using a Q-switched ruby laser, efficiencies many orders of magnitude smaller are observed in continuous optical (SHG) experiments. In order to achieve reasonable conversion efficiencies at the lower power levels available with continuous lasers, resonance techniques may be used. These techniques involve resonance of the fundamental, the harmonic, or both. Consideration is given to the various resonance schemes, the improvement factor achieved by each technique, and back reaction effects which occur at high conversion efficiencies. Methods of achieving simultaneous resonance of the fundamental and harmonic as well as achieving phase-matching are discussed.Keywords
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