Self-focussing of high-power TEA CO2 laser pulses for a number of 10 µm P-band lines is reported in SF6 molecular gas. Application of this effect to estimating the intensity-dependent refractive index of the gas is demonstrated. © 1992 Springer-Verlag.
|Number of pages||2|
|Journal||Applied Physics B: Photophysics and Laser Chemistry|
|Publication status||Published - Dec 1992|