Optical properties of a Brane-World black hole as photons couple to the Weyl tensor He-Xu Zhang, Cong Li, Peng-Zhang He, Qi-Qi Fan and Jian-Bo Deng Eur. Phys. J. C, 80 5 (2020) 461 Published online: 22 May 2020 DOI: 10.1140/epjc/s10052-020-8022-7