Stability criteria for high-intensity lasers
Journal Article
·
· Phys. Rev., A; (United States)
The output characteristics of a high-intensity laser oscillator are examined by means of a semiclassical density-matrix approach. Unlike previous investigations the time derivatives of the field and material quantities are retained, and a basic instability in the semiclassical laser equations is revealed. This instability accounts for the recently reported spontaneous pulsations in xenon laser oscillators. The pulsations can be interpreted as a consequence of spectral holeburning in inhomogeneously broadened lasers, and stability criteria are derived for both standing-wave and traveling-wave oscillators. In simplest terms the pulsations should occur in any inhomogeneously broadened laser where the product of the homogeneous linewidth and the cavity lifetime is less than unity.
- Research Organization:
- School of Engineering and Applied Science, University of California, Los Angeles, California 90024
- OSTI ID:
- 5688928
- Journal Information:
- Phys. Rev., A; (United States), Journal Name: Phys. Rev., A; (United States) Vol. 21:3; ISSN PLRAA
- Country of Publication:
- United States
- Language:
- English
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