{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T15:57:34Z","timestamp":1785427054583,"version":"3.56.0"},"reference-count":30,"publisher":"Optica Publishing Group","issue":"11","license":[{"start":{"date-parts":[[2026,5,18]],"date-time":"2026-05-18T00:00:00Z","timestamp":1779062400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#GOV"},{"start":{"date-parts":[[2026,5,18]],"date-time":"2026-05-18T00:00:00Z","timestamp":1779062400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/100000015","name":"United States Department of Energy","doi-asserted-by":"crossref","award":["Contract No. DE-AC02-06CH11357"],"award-info":[{"award-number":["Contract No. DE-AC02-06CH11357"]}],"id":[{"id":"10.13039\/100000015","id-type":"DOI","asserted-by":"crossref"},{"id":"https:\/\/ror.org\/01bj3aw27","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Opt. Express"],"published-print":{"date-parts":[[2026,6,1]]},"abstract":"<jats:p>X-ray ptychography typically relies on single-slice reconstruction approaches that assume minimal beam propagation through the specimen. However, this approximation breaks down for thick samples or when using high numerical aperture optics, leading to reconstruction artifacts due to multiple scattering. Multi-slice ptychographic tomography (MSPT) addresses this limitation by explicitly modeling beam propagation through the specimen while reducing angular sampling requirements for tomography, but its performance depends critically on reconstruction parameters and experimental conditions. Here, we systematically evaluate MSPT using numerical simulations and experimental X-ray datasets to understand how factors such as object thickness, optical parameters, and initialization strategies affect reconstruction accuracy. We demonstrate that informed object initialization significantly improves depth resolution and enables accurate projection extension, reducing the angular sampling requirements for tomographic reconstruction. Experimental demonstration confirms that MSPT produces reconstructions with reduced artifacts, establishing it as a robust approach for nanoscale imaging at modern synchrotron facilities.<\/jats:p>","DOI":"10.1364\/oe.588329","type":"journal-article","created":{"date-parts":[[2026,4,6]],"date-time":"2026-04-06T11:00:08Z","timestamp":1775473208000},"page":"19400","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Evaluating multi-slice ptychography tomography for X-ray imaging"],"prefix":"10.1364","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2292-6897","authenticated-orcid":true,"given":"Amey","family":"Luktuke","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05gvnxz63","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi","family":"Jiang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05gvnxz63","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4472-3385","authenticated-orcid":true,"given":"Junjing","family":"Deng","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05gvnxz63","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Barry","family":"Lai","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05gvnxz63","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joseph","family":"McCourt","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05gvnxz63","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Soenke","family":"Seifert","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05gvnxz63","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Byeongdu","family":"Lee","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05gvnxz63","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9027-1052","authenticated-orcid":true,"given":"Volker","family":"Rose","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05gvnxz63","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2026,5,18]]},"reference":[{"key":"oe-34-11-19400-R1","doi-asserted-by":"publisher","first-page":"011306","DOI":"10.1063\/1.5045131","type":"journal-article","volume":"6","author":"Shi","year":"2019","journal-title":"Appl. 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