High-Intensity and High Energy Laser Interactions with Single Droplets
Final rept. 1 Feb 1991-31 Mar 1994
YALE UNIV NEW HAVEN CT DEPT OF APPLIED PHYSICS
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Our research accomplishments have been in five main areas 1 Third- order sum frequency generation in the volume of the droplet and the role of phase-matching condition with droplet-cavity modes which are standing waves 2 Retention of acoustic phonons generated by stimulated Brillouin scattering SBS and the role of these long-lived acoustic waves and photons in seeding the SBS during the subsequent input-laser pulse 3 Stimulated low-frequency scattering from anisotropic molecules in droplets and the effect of the low-frequency scattering process in causing the elastic scattering spectrum and the stimulated Raman scattering SRS spectrum to be asymmetrically broadened 4 Resonance Raman enhancement of the SRS gain coefficient with the intent to increase the sensitivity of SRS to minor species in the droplet and 5 The use of population inverted laser-dye molecules to provide extra gain for SRS from minor species in the droplet.
- Lasers and Masers