Prism-based approach to create intensity-interferometric non-diffractive cw light sheets

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Volume Title
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Date
2022-07-04
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Language
en
Pages
14
24716-24729
Series
Optics Express, Volume 30, issue 14
Abstract
Light sheets are optical beam-like fields with one-dimensional intensity localization. Ideally, the field intensity should be independent of the longitudinal and one of the transverse coordinates, which is difficult to achieve even for truncated light sheets. In this work, we present a general theoretical framework for intensity-interferometric continuous wave (cw) light sheets formed by overlapping the interference fringe patterns of mutually uncorrelated frequency components of the field. We show that the key parameters of the light sheets can be calculated using simple analytical expressions. We propose a practical way to generate such light sheets with the help of prisms and demonstrate numerically the abilities of the method. Both bright and dark light sheets with an exceptionally small thickness and long divergence-free propagation distance are possible to generate. We also show that the transverse profile of the generated light sheets can be shaped by modifying the spectrum of the light. We believe ourfindings advance the beam-engineering technology and its applications.
Description
Funding Information: Jenny ja Antti Wihurin Rahasto (00210075); Academy of Finland (308394); Aalto Science Institute AScI; Academy of Finland Flagship Programme, Photonics Research and Innovation (PREIN). Publisher Copyright: © 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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Citation
Hildén , P , Kaivola , M & Shevchenko , A 2022 , ' Prism-based approach to create intensity-interferometric non-diffractive cw light sheets ' , Optics Express , vol. 30 , no. 14 , 458719 , pp. 24716-24729 . https://doi.org/10.1364/OE.458719