SP3 Angular Mode Installation vs General Relativity: Laser Obstruction as a Discriminator

This paper examines the installation of angular propagation modes observed whencoherent laser radiation encounters an obstruction, producing stable alternating angularcorridors of propagation and suppression. These diffraction structures are experimentallywell established and reproducible in vacuum environments, demonstrating thatpropagation pathways emerge in discrete angular eigenmodes rather than continuousgeometric shadows. General Relativity provides no mechanism by which vacuumspacetime can dynamically install or retain angular transport corridors, treating spacetimeas a passive geometric manifold. In contrast, the Space‑Phase (SP3) framework predictsthat space is a conditionable medium capable of installing transport eigenmodes inresponse to radiation boundary conditions. Under SP3, diffraction patterns represent thephysical imprint of angular transport conditioning within the space‑phase medium itself.This interpretation provides a direct physical discriminator: the existence, stability, andreproducibility of angular propagation modes imply active participation of the propagationmedium. Cross‑scale consistency is observed between laboratory diffraction patterns andastrophysical angular structures including photon rings and jet corridors, suggesting aunified transport mechanism. These findings support the interpretation that spaceparticipates dynamically in radiation transport and that angular mode installationrepresents a measurable manifestation of space‑phase conditioning. This provides apredictive and experimentally testable distinction between SP3 and geometry‑onlyspacetime models.