This link contains the data of Raman Laser Spectroscopy of Sr+ ions in Collinear Geometry at the Collinear Apparatur for Laser Spectroscopy and Applied Sciences (COALA). It will be made publicly available as soon as all aspects of the data are published. They are linked to two papers, one about its application as a velocity filter for laser-based high-voltage measurements (https://arxiv.org/abs/2512.03921) and a second one that demonstrates the usage of two-wavelength collinear Raman for precision spectroscopy of forbidden transitions.