PRESSURE BROADENING COEFFICIENTS OF $^{12}C_{2}H_{2}$ IN OVERTONES

Abstract

We have recorded the $R(5), 5\nu_{3}$ rovibrational line in absorption using a multi-pass cell and a Ring dye laser. Various experimental conditions were used, in terms of acetylene pressure and added Argon pressure. The line broadening coefficient was determined using standard and Fourier transform procedures. The latter one will be emphasized.