{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T17:13:54Z","timestamp":1768756434916,"version":"3.49.0"},"reference-count":22,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2021,1,6]],"date-time":"2021-01-06T00:00:00Z","timestamp":1609891200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100016073","name":"Key Technologies Research and Development Program of Anhui Province","doi-asserted-by":"publisher","award":["1804d08020310"],"award-info":[{"award-number":["1804d08020310"]}],"id":[{"id":"10.13039\/100016073","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>A unique method to design a high-throughput and high-resolution ultrathin Czerny\u2013Turner (UTCT) spectrometer is proposed. This paper reveals an infrequent design process of spectrometers based on Coddington\u2019s equations, which will lead us to develop a high-performance spectrometer from scratch. The spectrometer is composed of cylindrical elements except a planar grating. In the simulation design, spot radius is sub-pixel size, which means that almost all of the energy is collected by the detector. The spectral resolution is 0.4 nm at central wavelength and 0.75 nm at edge wavelength when the width of slit is chosen to be 25 \u03bcm and the groove density is 900 lines\/mm.<\/jats:p>","DOI":"10.3390\/s21020323","type":"journal-article","created":{"date-parts":[[2021,1,6]],"date-time":"2021-01-06T20:45:42Z","timestamp":1609965942000},"page":"323","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["High-Performance Ultra-Thin Spectrometer Optical Design Based on Coddington\u2019s Equations"],"prefix":"10.3390","volume":"21","author":[{"given":"Zhiwei","family":"Feng","sequence":"first","affiliation":[{"name":"School of Instrument Science and Opto-Electronics Engineering, Hefei University of Technology, Hefei 230009, China"}]},{"given":"Guo","family":"Xia","sequence":"additional","affiliation":[{"name":"Academy of Opto-Electric Technology, Hefei University of Technology, Hefei 230009, China"},{"name":"Special Display and Imaging Technology Innovation Center of Anhui Province, Hefei 230009, China"},{"name":"National Engineering Laboratory of Special Display Technology, Hefei 230009, China"}]},{"given":"Rongsheng","family":"Lu","sequence":"additional","affiliation":[{"name":"School of Instrument Science and Opto-Electronics Engineering, Hefei University of Technology, Hefei 230009, China"}]},{"given":"Xiaobo","family":"Cai","sequence":"additional","affiliation":[{"name":"School of Instrument Science and Opto-Electronics Engineering, Hefei University of Technology, Hefei 230009, China"}]},{"given":"Hao","family":"Cui","sequence":"additional","affiliation":[{"name":"School of Instrument Science and Opto-Electronics Engineering, Hefei University of Technology, Hefei 230009, China"}]},{"given":"Mingyong","family":"Hu","sequence":"additional","affiliation":[{"name":"Academy of Opto-Electric Technology, Hefei University of Technology, Hefei 230009, China"},{"name":"Special Display and Imaging Technology Innovation Center of Anhui Province, Hefei 230009, China"},{"name":"National Engineering Laboratory of Special Display Technology, Hefei 230009, China"}]}],"member":"1968","published-online":{"date-parts":[[2021,1,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"326","DOI":"10.1364\/OL.30.000326","article-title":"Walmsley, and Christophe Dorrer, \u201cInterferometric technique for measuring broadband ultrashort pulses at the sampling limit\u201d","volume":"30","author":"Ellen","year":"2005","journal-title":"Opt. 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