The One-Way Linear Effect, a first order optical effect
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Updated: Jul 14, 2025

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
Published on: November 21, 2019
Gianfranco Spavieri1, Espen Gaarder Haug2
1Centro de Física Fundamental, Universidad de Los Andes, Mérida, 5101 Venezuela.
Abstract:
In the One-Way Linear Effect, the round-trip time interval taken by light to propagate around a moving linear closed contour, is measured by a device. If the contour changes velocity by Δv, the round-trip interval turns out to depend on the device position and Δv. The variation , related to , is experimentally observable by means of standard interferometry, ring laser techniques, or high precision time-delay detectors of light pulses. Being sensitive to velocity variations, if experimentally confirmed the One-Way Linear Effect may have relevant applications in inertial guidance systems and related areas. Furthermore, the One-Way Linear Effect can be used to confirm Lorentz invariance by testing relative simultaneity versus absolute simultaneity.
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