{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T19:22:43Z","timestamp":1787772163835,"version":"build-2784847793"},"reference-count":29,"publisher":"Optica Publishing Group","issue":"9","license":[{"start":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T00:00:00Z","timestamp":1787702400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR"},{"start":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T00:00:00Z","timestamp":1787702400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["11574042"],"award-info":[{"award-number":["11574042"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"},{"id":"https:\/\/ror.org\/01h0zpd94","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100018542","name":"Natural Science Foundation of Sichuan Province","doi-asserted-by":"crossref","award":["2022NSFSC0561"],"award-info":[{"award-number":["2022NSFSC0561"]}],"id":[{"id":"10.13039\/501100018542","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["J. Opt. Soc. Am. A"],"published-print":{"date-parts":[[2026,9,1]]},"abstract":"<jats:p>An optical antenna structure consisting of a conical laser array and a hyperboloid-hyperboloid (H-H) lens array is proposed to circumvent the central obscuration problem in Cassegrain antennas and to enable the simultaneous transmission and optical fiber coupling of multi-wavelength beams through a common antenna primary mirror. The design process of the conical laser array and H-H lens array combination, as well as the effects of various parameters on crosstalk between beams, is systematically analyzed, and ray-tracing simulations of beam propagation through the H-H lens array, the Cassegrain antenna, and the coupling lens array are carried out based on the vector laws of refraction and reflection. The simulation results based on mode-overlap theory indicate that, after accounting for lens reflection and absorption losses, the average coupling efficiency of the optical system reaches 73.98%. 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All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.","name":"copyright","label":"Copyright"}]}}