Title:
OPTICAL COMMUNICATION TERMINAL
Document Type and Number:
WIPO Patent Application WO/2023/060451
Kind Code:
A1
Abstract:
An optical communication terminal, OCT, (1) comprising an optical telescope (TLA) adapted to expand a diameter of an optical beam received from an optical transmitter unit (2A) of said optical communication terminal, OCT, (1) and to reduce a diameter of an optical beam received from an external optical flight platform for an optical receiver unit (2B) of said optical communication terminal, OCT, (1), wherein at least one central obscuration coating (11) is provided on a surface of an optical component (10) of said optical receiver unit (2B) and is adapted to suppress light backscattered and/or reflected by said optical telescope (TLA) of said optical communication terminal, OCT, (1).
Inventors:
QIN YU (CN)
Application Number:
PCT/CN2021/123379
Publication Date:
April 20, 2023
Filing Date:
October 12, 2021
Export Citation:
Assignee:
BEIJING SINAERO INFORMATION AND COMMUNICATION TECH LIMITED (CN)
International Classes:
H04B10/112; G02B23/00; H04B10/118
Domestic Patent References:
| WO2020127967A2 | 2020-06-25 |
Foreign References:
| US20150301321A1 | 2015-10-22 | |||
| US20150015941A1 | 2015-01-15 |
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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