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Express"],"published-print":{"date-parts":[[2024,2,26]]},"abstract":"<jats:p>Spatial light modulators (SLMs) based on liquid crystal on silicon (LCoS) are powerful tools for laser beam shaping as they can be used to dynamically create almost arbitrary intensity distributions. However, laser beam shaping with LCoS-SLMs often suffers from beam shaping artifacts in part caused by unconsidered properties of the LCoS devices: astigmatism that stems from the non-normal incidence of the laser beam on the SLM and the effect commonly referred to as the \u20190-th diffraction order\u2019 that is caused by both the crosstalk between neighboring pixels and the direct reflection at the cover glass of the SLM. We here present a method to consider and compensate for these inherent properties of LCoS devices by treating the SLM as a diffractive neural network.<\/jats:p>","DOI":"10.1364\/oe.507630","type":"journal-article","created":{"date-parts":[[2023,11,29]],"date-time":"2023-11-29T03:00:51Z","timestamp":1701226851000},"page":"7064","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["High fidelity laser beam shaping using liquid crystal on silicon spatial light modulators as diffractive neural networks"],"prefix":"10.1364","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3357-2622","authenticated-orcid":true,"given":"Paul","family":"Buske","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04xfq0f34","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8882-8800","authenticated-orcid":true,"given":"Oskar","family":"Hofmann","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04xfq0f34","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8293-7857","authenticated-orcid":true,"given":"Annika","family":"Bonnhoff","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04xfq0f34","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jochen","family":"Stollenwerk","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04xfq0f34","id-type":"ROR","asserted-by":"publisher"}]},{"name":"Fraunhofer-Institute for Laser Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carlo","family":"Holly","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04xfq0f34","id-type":"ROR","asserted-by":"publisher"}]},{"name":"Fraunhofer-Institute for Laser Technology"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2024,2,13]]},"reference":[{"key":"oe-32-5-7064-R2","doi-asserted-by":"publisher","first-page":"109041G","DOI":"10.1117\/12.2511516","volume":"10904","author":"Flamm","year":"2019","journal-title":"Proc. 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