The Atlas of transition lines of selected diatomic molecules
The absorption spectrum of selected diatomic alkali molecules in the infrared spectral range, recorded with the Fourier Transform Spectrometer at Laboratoire Aimé Cotton, are available here.
The Atlas of K2 transition lines
10487-12000 cm-1 spectral range

Reference: C. Amiot, J. Chevillard J. Vergès, Atlas du spectre d’absorption de la molécule de potassium (10487-12000 cm-1). Laboratoire Aimé Cotton, C.N.R.S. , Orsay, France (2000)
Jacqueline Chevillard is gratefully acknowledged for her continuous help during the recordings. Roger Leroux is acknowledged for his expertise in numerical photography.