High‐resolution spectroscopy with a tunable dye laser

摘要

Two high‐resolution spectra taken at SO2pressures of 40 and 122 Torr illustrate results obtained using a tunable dye‐laser spectrometer. The spectra taken in the 3880‐A˚ region with an intracavity etalon inserted to narrow the bandwidth to 0.015 A˚ were used to obtain a measurement of the self‐broadening of SO2for the spin‐forbidden singlet‐triplet transition,3B1(0,0,0) ←1A1(0,0,0).