Fig. 5From: Investigating the potential of the Nd:YAG and Er:YAG lasers for the cleaning of feathers: a pilot studyOptical microscope images of damage on red (a) and blue (b) dyed feathers using 532 nm laser. © 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