Validating Pseudo-Free-Space Conditions in a Planar Waveguide Using Phase Retrieval from Fresnel Diffraction Patterns
In this study, we address the question of whether a waveguide with absorbing sidewalls can be considered pseudo free space and if the free-space transfer function is valid in such a medium. We test this hypothesis by applying a phase retrieval algorithm based on the free-space transfer function. Fir...
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| Autori principali: | , , , , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
MDPI AG
2025-07-01
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| Serie: | Photonics |
| Soggetti: | |
| Accesso online: | https://www.mdpi.com/2304-6732/12/8/740 |
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