Home
For authors
Submission status

Current
Archive
Archive (English)
   Volumes 21-40
   Volumes 1-20
   Volumes 41-62
      Volume 62
      Volume 61
      Volume 60
      Volume 59
      Volume 58
      Volume 57
      Volume 56
      Volume 55
      Volume 54
      Volume 53
      Volume 52
      Volume 51
      Volume 50
      Volume 49
      Volume 48
      Volume 47
      Volume 46
      Volume 45
      Volume 44
      Volume 43
      Volume 42
      Volume 41
Search
VOLUME 55 (1992) | ISSUE 4 | PAGE 228
Instability of a laser beam with a negative detuning in a resonant medium
The instability of a laser beam with a negative detuning (Αω = mL — ω0 < 0) in a resonant medium has been studied experimentally. The beam intensity ranged up to 107 W/cm2; the resonant medium was sodium vapor with a density of 1014-1016 cm-3; and the detuning was with respect to the Z>, line of Na. Observations reveal that the scattering contains cone radiation, that scattering components with a frequency shifted from the laser frequency are generated, and that filaments form. This picture of the scattering is similar in many regards to the scattering in the case Δω > 0, which has been studied thoroughly in previous work. The results are compared with theoretical predictions.