OPENTECHNICAL PUBLICATION OT-2026-000000873 Multi-channel self-mixing interferometric sensor Published: 2026-09-15T19:03:31.497449Z Permanent URL: https://opentechnical.org/p/OT-2026-000000873 Categories: Sensors, Controls & Machine Vision > Position and Presence Sensing ------------------------------------------------------------------------ ABSTRACT A multi-channel SMI sensor includes an emitter configured to emit light having different polarizations and a polarization-selective lens for directing light having different polarizations towards different locations. The multi-channel SMI sensor is configured to measure physical phenomena at two different locations with a small footprint. ------------------------------------------------------------------------ OpenTechnical publication OT-2026-000000873 Published 2026-09-15T19:03:31.497449Z https://opentechnical.org/p/OT-2026-000000873