{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T06:37:03Z","timestamp":1789195023069,"version":"build-2803163510"},"reference-count":16,"publisher":"Optica Publishing Group","issue":"27","license":[{"start":{"date-parts":[[2022,9,15]],"date-time":"2022-09-15T00:00:00Z","timestamp":1663200000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR"},{"start":{"date-parts":[[2022,9,15]],"date-time":"2022-09-15T00:00:00Z","timestamp":1663200000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2017YFE0301205"],"award-info":[{"award-number":["2017YFE0301205"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Appl. Opt."],"published-print":{"date-parts":[[2022,9,20]]},"abstract":"<jats:p>\n                    A modified optical design for a broadband astigmatism-corrected Czerny\u2013Turner spectrometer with high resolution and large throughput is presented. The theory of astigmatism correction is analyzed with the use of a bicylinder lens with different radii of curvature in tangential and sagittal planes. The optical performances of a modified spectrometer and two traditional spectrometers are compared in detail. The results show that the modified Czerny\u2013Turner spectrometer can obtain superior astigmatism-free performance, an\n                    <jats:inline-formula>\n                      <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                        <mml:mi>f<\/mml:mi>\n                      <\/mml:math>\n                    <\/jats:inline-formula>\n                    -number of 2.5, and spectral resolution of 1.5\u00a0nm in 350\u2013750\u00a0nm. Its volume decreases by approximately 77% compared with a traditional spectrometer with the same\n                    <jats:inline-formula>\n                      <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                        <mml:mi>f<\/mml:mi>\n                      <\/mml:math>\n                    <\/jats:inline-formula>\n                    -number.\n                  <\/jats:p>","DOI":"10.1364\/ao.470322","type":"journal-article","created":{"date-parts":[[2022,8,30]],"date-time":"2022-08-30T11:00:16Z","timestamp":1661857216000},"page":"7985","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Astigmatism-free Czerny\u2013Turner spectrometer with a low f-number by a bicylinder lens"],"prefix":"10.1364","volume":"61","author":[{"given":"Qian","family":"Zhou","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/0327f3359","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhiyong","family":"Zou","sequence":"additional","affiliation":[{"name":"Institute of Energy, Hefei Comprehensive National Science Center"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2022,9,15]]},"reference":[{"key":"ao-61-27-7985-R1","doi-asserted-by":"publisher","first-page":"28","DOI":"10.1177\/0960336020916815","volume":"31","author":"Be\u0107","year":"2020","journal-title":"NIR News"},{"key":"ao-61-27-7985-R2","doi-asserted-by":"crossref","first-page":"W3","DOI":"10.1364\/PIBM.2017.W3A.112","article-title":"A Czerny-Turner spectrometer for ultrahigh resolution SD-OCT","volume-title":"International Conference on Photonics and Imaging in Biology and Medicine","author":"Peng","year":"2017"},{"key":"ao-61-27-7985-R3","doi-asserted-by":"publisher","first-page":"78120P","DOI":"10.1117\/12.861331","volume":"7812","author":"Bender","year":"2010","journal-title":"Proc. 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