Fabrication of 3D photonic band gap crystals for controlling the emission of lightMelissa J. Goodwin, Timon J. Vreman, Cornelis A. M. Harteveld, Geert-Jan Kamphuis, Andreas S. Schulz, Ad Lagendijk and Willem L. VosEPJ Web Conf., 335 (2025) 05004DOI: https://doi.org/10.1051/epjconf/202533505004