Iorsh, I., Kaliteevski, M., Brand, S., Abram, R., & Kaliteevskaya, N. (2011). An 'electromagnetic wiggler' originating from refraction of waves at the side edge of a Bragg reflector. Journal of Modern Optics, 58(8), 686-693. https://doi.org/10.1080/09500340.2011.565887