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Nanostructured Multilayer Coatings for Spatial Filtering (Advanced Optical Materials 9/2021)
Author(s) -
Grineviciute Lina,
Babayigit Ceren,
Gailevičius Darius,
Peckus Martynas,
Turduev Mirbek,
Tolenis Tomas,
Vengris Mikas,
Kurt Hamza,
Staliunas Kestutis
Publication year - 2021
Publication title -
advanced optical materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.89
H-Index - 91
ISSN - 2195-1071
DOI - 10.1002/adom.202170032
Subject(s) - materials science , passband , spatial filter , substrate (aquarium) , coating , optics , transmission (telecommunications) , optoelectronics , thin film , optical coating , laser , field (mathematics) , deposition (geology) , nanotechnology , computer science , band pass filter , telecommunications , physics , paleontology , oceanography , mathematics , sediment , pure mathematics , biology , geology
A conceptually novel mechanism of spatial filtering of laser light in the near‐field domain is proposed, in contrast to conventional filtering in the far‐field. Filtering occurs in transmission through a thin multilayer coating, built by physical vapor deposition on a nano‐modulated substrate. Such a 5 µm thick structure is experimentally shown to provide spatial filtering with 2° low‐angle passband. For further details, see article number 2001730 by Lina Grineviciute, Kestutis Staliunas and co‐workers.

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