{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T14:24:18Z","timestamp":1776176658130,"version":"3.50.1"},"reference-count":37,"publisher":"Optica Publishing Group","issue":"20","license":[{"start":{"date-parts":[[2023,9,19]],"date-time":"2023-09-19T00:00:00Z","timestamp":1695081600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR-OA"},{"start":{"date-parts":[[2023,9,19]],"date-time":"2023-09-19T00:00:00Z","timestamp":1695081600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["1031660"],"award-info":[{"award-number":["1031660"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["2021R1A4A1031660"],"award-info":[{"award-number":["2021R1A4A1031660"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003052","name":"Ministry of Trade, Industry and Energy","doi-asserted-by":"publisher","award":["20014784"],"award-info":[{"award-number":["20014784"]}],"id":[{"id":"10.13039\/501100003052","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003701","name":"Korea Institute of Machinery and Materials","doi-asserted-by":"publisher","award":["NK242A"],"award-info":[{"award-number":["NK242A"]}],"id":[{"id":"10.13039\/501100003701","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Opt. Express"],"published-print":{"date-parts":[[2023,9,25]]},"abstract":"<jats:p>In this paper, we present the design optimization and implementation of a high-resolution near-infrared Fourier transform spectrometer (FTS) based on a rotating motion. The FTS system incorporates a rotating mirror-pair for scanning the optical path length (OPL). The design optimization process is performed to maximize the scanning range to obtain a resolution of 0.1\u2005cm<jats:sup>-1<\/jats:sup> while taking into account constraints on the volume of the system and the availability of commercial optics. By using a pattern search algorithm, we optimized the geometrical parameters of the rotating part, and found the best solution to satisfy the constraints. A data processing method is implemented to correct the nonlinear OPL scanning using a He-Ne laser. The performance of the implemented FTS is verified through spectral analysis within the spectral range of 1550\u2009\u00b1\u200925\u2005nm. This spectral band corresponds to the wavelength range of the amplified spontaneous emission (ASE) obtained from an Er-doped fiber amplifier used in this study. Additionally, gas spectroscopy conducted using the FTS system successfully detects and analyzes the distinct absorption lines of hydrogen cyanide in 16.5\u2005cm gas cell. The detection sensitivity of a single measurement is evaluated based on the noise equivalent absorption coefficient of 1.45\u2009\u00d7\u200910<jats:sup>\u22125\u2005<\/jats:sup>cm<jats:sup>-1\u2005<\/jats:sup>Hz<jats:sup>-1\/2<\/jats:sup> calculated from 5-sec measurement time, 2000 spectral elements, and 208 signal-to-noise ratio with 0.2 scan\/sec.<\/jats:p>","DOI":"10.1364\/oe.498371","type":"journal-article","created":{"date-parts":[[2023,8,24]],"date-time":"2023-08-24T16:00:40Z","timestamp":1692892840000},"page":"33041","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Design optimization and implementation of a Fourier transform spectrometer with rotating motion for 0.1\u2005cm<sup>-1<\/sup> resolution spectroscopy"],"prefix":"10.1364","volume":"31","author":[{"given":"Jungyoon","family":"Kim","sequence":"first","affiliation":[{"name":"Seoul National University of Science and Technology (Seoultech)"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seunghoo","family":"Lee","sequence":"additional","affiliation":[{"name":"Seoul National University of Science and Technology (Seoultech)"},{"name":"Laser Equipment Development Team"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Woojeong","family":"Lee","sequence":"additional","affiliation":[{"name":"Seoul National University of Science and Technology (Seoultech)"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3219-878X","authenticated-orcid":true,"given":"Joohyung","family":"Lee","sequence":"additional","affiliation":[{"name":"Seoul National University of Science and Technology (Seoultech)"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"285","published-online":{"date-parts":[[2023,9,19]]},"reference":[{"key":"oe-31-20-33041-R1","doi-asserted-by":"publisher","first-page":"896","DOI":"10.1364\/JOSA.56.000896","volume":"56","author":"Connes","year":"1966","journal-title":"J. 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