Birefringence of solid-state laser media: broadband tuning discontinuities and application to laser line narrowing
Journal Article
·
· Opt. Lett.; (United States)
Spectral consequences that result from using birefringent media with broadband gain inside of laser cavities containing polarizing elements are described. We show that the laser intensity is modulated as a function of the output frequency unless the cavity elements are carefully aligned so that their polarization axis coincides with a principal optical axis of the gain medium. Analysis of the tuning characteristics of a birefringent polarization-dependent gain medium is exploited to provide a simple method for line narrowing the laser output. By introduction of an intracavity birefringent compensator the narrow-band output can be continuously tuned. Experimental results for alexandrite lasers are presented.
- Research Organization:
- Allied-Signal Inc., Corporate Technology Center, P.O. Box 1021R, Morristown, New Jersey 07960
- OSTI ID:
- 6278767
- Journal Information:
- Opt. Lett.; (United States), Journal Name: Opt. Lett.; (United States) Vol. 14:8; ISSN OPLED
- Country of Publication:
- United States
- Language:
- English
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