Fig. 2From: Investigating the potential of the Nd:YAG and Er:YAG lasers for the cleaning of feathers: a pilot studyRaman spectra of the yellow cockatoo and pink flamingo feathers, together with the reference spectra for psittacofulvin and β-carotene. © The Trustees of the British Museum. Shared under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) licence.Back to article page