Small-Angle Pulse CO₂ Laser Scattering with a Heterodyne Detection for Investigation of Ion-Acoustic Waves in Plasma with Strong Langmuir Turbulence

A diagnostic system to measure the spatial and frequency spectra of ion-acoustic waves in plasma with strong Langmuir turbulence is being designed. High power pulsed CO₂ laser system is used as primary source of radiation. A heterodyne light mixing scheme is used to detect the scattered power. Diagnostics is tested in the experiment on the interaction of high power relativistic electron beam with magnetized plasma.