Diffractive Retroreflector for Distributed Sensing
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914096192946176 |
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| author | Kroo, Anne R. Solgaard, Olav |
| author_facet | Kroo, Anne R. Solgaard, Olav |
| contents | We introduce a modified corner cube reflector that encodes information from passive optical sensors in its retroreflected diffraction pattern, enabling remote sensor-state measurement over a single-ended optical link. The design interferes a reference path and a sensor-modulated path within the retroreflected beam to produce an interferometric signal suitable for reading out phase and amplitude variations with a squarelaw camera. This enables sensor-state determination in arbitrarily oriented passive nodes, extending coherent interferometric read out of chemical, biological, and physical sensors to scalable, robust, and inert field deployments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_14196 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Diffractive Retroreflector for Distributed Sensing Kroo, Anne R. Solgaard, Olav Optics We introduce a modified corner cube reflector that encodes information from passive optical sensors in its retroreflected diffraction pattern, enabling remote sensor-state measurement over a single-ended optical link. The design interferes a reference path and a sensor-modulated path within the retroreflected beam to produce an interferometric signal suitable for reading out phase and amplitude variations with a squarelaw camera. This enables sensor-state determination in arbitrarily oriented passive nodes, extending coherent interferometric read out of chemical, biological, and physical sensors to scalable, robust, and inert field deployments. |
| title | Diffractive Retroreflector for Distributed Sensing |
| topic | Optics |
| url | https://arxiv.org/abs/2510.14196 |