{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,4]],"date-time":"2025-07-04T05:16:58Z","timestamp":1751606218492,"version":"3.37.3"},"reference-count":28,"publisher":"Optica Publishing Group","issue":"11","license":[{"start":{"date-parts":[[2020,4,3]],"date-time":"2020-04-03T00:00:00Z","timestamp":1585872000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v1#VOR"},{"start":{"date-parts":[[2020,4,3]],"date-time":"2020-04-03T00:00:00Z","timestamp":1585872000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"name":"National Key Basic Research and Development Program","award":["2018YFA0404702"],"award-info":[{"award-number":["2018YFA0404702"]}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11673074","11773084"],"award-info":[{"award-number":["11673074","11773084"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Appl. Opt."],"published-print":{"date-parts":[[2020,4,10]]},"abstract":"<jats:p>We present a practical wide-field optical design for a 60\u00a0m aperture submillimeter telescope, which is currently under conceptual design study in China. The telescope is specified to operate over a wavelength range of 0.65\u20133\u00a0mm and provide a wide field of view (FOV) of 1\u00b0 in diameter. We designed an F\/6 Ritchey Chr\u00e9tien (RC) system with a quasi-planar tertiary corrector, which cancels all spherical, coma, and astigmatism aberrations. It also achieves a good balance among the mirror sizes, central obscuration, and focal-plane curvature. The problems of focal surface curvature and nontelecentricity are treated in the subfield instrumental design, which employs a simple silicon wedge prism to obtain flat and telecentric focal planes for each subfield instrument module. Our studies show that by such a design, more than <jats:inline-formula>\n      <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n\t<mml:mrow class=\"MJX-TeXAtom-ORD\">\n\t  <mml:msup>\n\t    <mml:mrow class=\"MJX-TeXAtom-ORD\">\n\t      <mml:mn>10<\/mml:mn>\n\t    <\/mml:mrow>\n\t    <mml:mn>5<\/mml:mn>\n\t  <\/mml:msup>\n\t<\/mml:mrow>\n      <\/mml:math>\n    <\/jats:inline-formula> detector pixels can be efficiently and uniformly fed at the shortest wavelength band with Strehl ratios above 0.85 across the entire 1\u00b0 FOV. Several practical issues related to the telescope optics are also discussed.<\/jats:p>","DOI":"10.1364\/ao.388320","type":"journal-article","created":{"date-parts":[[2020,3,10]],"date-time":"2020-03-10T13:30:09Z","timestamp":1583847009000},"page":"3353","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Wide-field optical design for a 60 m submillimeter telescope"],"prefix":"10.1364","volume":"59","author":[{"given":"Zheng","family":"Lou","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ying-xi","family":"Zuo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qi-jun","family":"Yao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sheng-cai","family":"Shi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ji","family":"Yang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xue-peng","family":"Chen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"285","published-online":{"date-parts":[[2020,4,3]]},"reference":[{"key":"ao-59-11-3353-R1","doi-asserted-by":"publisher","first-page":"773312","DOI":"10.1117\/12.857974","volume":"7733","author":"Hughes","year":"2010","journal-title":"Proc. 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